A rectangular shaped desk has a length of 30 inches and a width of 24 inches. A desk with a similar shape has a length of 48 inches. What is the width of this desk?

2 answers

24/30 = x/48

https://www.mathsisfun.com/algebra/cross-multiply.html
24/30 = x/40
24x40=960
30xX= 30x
30x=960 960/30=32
x = 32