Home / 38,489.22-57,732.30-13,534.92

Finding the Fourth Proportional to 38,489.22, 57,732.30 and 13,534.92

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Solution

The fourth proportional to 38,489.22, 57,732.30 and 13,534.92 is: 20,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489.22 : 57,732.30 = 13,534.92 : x
  2. Step 2: Convert to fraction form
    38,489.22/57,732.30 = 13,534.92/x
  3. Step 3: Cross multiply
    38,489.22x = 57,732.30 × 13,534.92
  4. Step 4: Simplify right side
    38,489.22x = 781,402,061.92
  5. Step 5: Solve for x
    x = 781,402,061.92/38,489.22
  6. Step 6: Final answer
    x = 20,301.84

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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.