Home / 38,691.46-58,000.38-12,379.24

Finding the Fourth Proportional to 38,691.46, 58,000.38 and 12,379.24

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Solution

The fourth proportional to 38,691.46, 58,000.38 and 12,379.24 is: 18,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.46 : 58,000.38 = 12,379.24 : x
  2. Step 2: Convert to fraction form
    38,691.46/58,000.38 = 12,379.24/x
  3. Step 3: Cross multiply
    38,691.46x = 58,000.38 × 12,379.24
  4. Step 4: Simplify right side
    38,691.46x = 718,000,624.11
  5. Step 5: Solve for x
    x = 718,000,624.11/38,691.46
  6. Step 6: Final answer
    x = 18,557.08

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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.