Home / 38,310.08-57,472.41-12,007.76

Finding the Fourth Proportional to 38,310.08, 57,472.41 and 12,007.76

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Solution

The fourth proportional to 38,310.08, 57,472.41 and 12,007.76 is: 18,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.08 : 57,472.41 = 12,007.76 : x
  2. Step 2: Convert to fraction form
    38,310.08/57,472.41 = 12,007.76/x
  3. Step 3: Cross multiply
    38,310.08x = 57,472.41 × 12,007.76
  4. Step 4: Simplify right side
    38,310.08x = 690,114,905.90
  5. Step 5: Solve for x
    x = 690,114,905.90/38,310.08
  6. Step 6: Final answer
    x = 18,013.92

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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.