Home / 38,565.40-57,854.96-13,619.94

Finding the Fourth Proportional to 38,565.40, 57,854.96 and 13,619.94

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Solution

The fourth proportional to 38,565.40, 57,854.96 and 13,619.94 is: 20,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.40 : 57,854.96 = 13,619.94 : x
  2. Step 2: Convert to fraction form
    38,565.40/57,854.96 = 13,619.94/x
  3. Step 3: Cross multiply
    38,565.40x = 57,854.96 × 13,619.94
  4. Step 4: Simplify right side
    38,565.40x = 787,981,083.90
  5. Step 5: Solve for x
    x = 787,981,083.90/38,565.40
  6. Step 6: Final answer
    x = 20,432.33

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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.