Home / 38,549.20-57,830.28-12,251.92

Finding the Fourth Proportional to 38,549.20, 57,830.28 and 12,251.92

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Solution

The fourth proportional to 38,549.20, 57,830.28 and 12,251.92 is: 18,379.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.20 : 57,830.28 = 12,251.92 : x
  2. Step 2: Convert to fraction form
    38,549.20/57,830.28 = 12,251.92/x
  3. Step 3: Cross multiply
    38,549.20x = 57,830.28 × 12,251.92
  4. Step 4: Simplify right side
    38,549.20x = 708,531,964.14
  5. Step 5: Solve for x
    x = 708,531,964.14/38,549.20
  6. Step 6: Final answer
    x = 18,379.94

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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.