Join Sarthaks eConnect Today - Largest Online Education Community!
0 votes
in Commercial Mathematics by (53.5k points)
closed by

Find the missing number in the box [ ] in the proportion:

3/5 = [ ]/20

1 Answer

+1 vote
by (51.9k points)
selected by
Best answer

Let us assume the missing number be y.

Then, (3/5) = (y/20)

By cross multiplication we get,

(3 × 20)/5 = y

Y = 60/5

Divide both numerator and denominator by 5.

Y = 12

Therefore, 3/5 = [12]/20

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.