Home / 39,432.11-59,088.31-28,909.13

Finding the Fourth Proportional to 39,432.11, 59,088.31 and 28,909.13

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Solution

The fourth proportional to 39,432.11, 59,088.31 and 28,909.13 is: 43,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.11 : 59,088.31 = 28,909.13 : x
  2. Step 2: Convert to fraction form
    39,432.11/59,088.31 = 28,909.13/x
  3. Step 3: Cross multiply
    39,432.11x = 59,088.31 × 28,909.13
  4. Step 4: Simplify right side
    39,432.11x = 1,708,191,819.13
  5. Step 5: Solve for x
    x = 1,708,191,819.13/39,432.11
  6. Step 6: Final answer
    x = 43,319.82

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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.