Home / 38,331.43-57,420.60-30,447.29

Finding the Fourth Proportional to 38,331.43, 57,420.60 and 30,447.29

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Solution

The fourth proportional to 38,331.43, 57,420.60 and 30,447.29 is: 45,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.43 : 57,420.60 = 30,447.29 : x
  2. Step 2: Convert to fraction form
    38,331.43/57,420.60 = 30,447.29/x
  3. Step 3: Cross multiply
    38,331.43x = 57,420.60 × 30,447.29
  4. Step 4: Simplify right side
    38,331.43x = 1,748,301,689.55
  5. Step 5: Solve for x
    x = 1,748,301,689.55/38,331.43
  6. Step 6: Final answer
    x = 45,610.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.