Home / 38,747.11-58,120.44-12,451.93

Finding the Fourth Proportional to 38,747.11, 58,120.44 and 12,451.93

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Solution

The fourth proportional to 38,747.11, 58,120.44 and 12,451.93 is: 18,677.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,747.11 : 58,120.44 = 12,451.93 : x
  2. Step 2: Convert to fraction form
    38,747.11/58,120.44 = 12,451.93/x
  3. Step 3: Cross multiply
    38,747.11x = 58,120.44 × 12,451.93
  4. Step 4: Simplify right side
    38,747.11x = 723,711,458.45
  5. Step 5: Solve for x
    x = 723,711,458.45/38,747.11
  6. Step 6: Final answer
    x = 18,677.82

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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.