Home / 38,641.34-57,949.50-12,339.92

Finding the Fourth Proportional to 38,641.34, 57,949.50 and 12,339.92

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Solution

The fourth proportional to 38,641.34, 57,949.50 and 12,339.92 is: 18,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,641.34 : 57,949.50 = 12,339.92 : x
  2. Step 2: Convert to fraction form
    38,641.34/57,949.50 = 12,339.92/x
  3. Step 3: Cross multiply
    38,641.34x = 57,949.50 × 12,339.92
  4. Step 4: Simplify right side
    38,641.34x = 715,092,194.04
  5. Step 5: Solve for x
    x = 715,092,194.04/38,641.34
  6. Step 6: Final answer
    x = 18,505.88

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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.