Home / 38,345.92-57,545.15-13,385.97

Finding the Fourth Proportional to 38,345.92, 57,545.15 and 13,385.97

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Solution

The fourth proportional to 38,345.92, 57,545.15 and 13,385.97 is: 20,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345.92 : 57,545.15 = 13,385.97 : x
  2. Step 2: Convert to fraction form
    38,345.92/57,545.15 = 13,385.97/x
  3. Step 3: Cross multiply
    38,345.92x = 57,545.15 × 13,385.97
  4. Step 4: Simplify right side
    38,345.92x = 770,297,685.01
  5. Step 5: Solve for x
    x = 770,297,685.01/38,345.92
  6. Step 6: Final answer
    x = 20,088.13

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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.