Home / 54,781.11-82,024.79-38,105.91

Finding the Fourth Proportional to 54,781.11, 82,024.79 and 38,105.91

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Solution

The fourth proportional to 54,781.11, 82,024.79 and 38,105.91 is: 57,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,781.11 : 82,024.79 = 38,105.91 : x
  2. Step 2: Convert to fraction form
    54,781.11/82,024.79 = 38,105.91/x
  3. Step 3: Cross multiply
    54,781.11x = 82,024.79 × 38,105.91
  4. Step 4: Simplify right side
    54,781.11x = 3,125,629,074.98
  5. Step 5: Solve for x
    x = 3,125,629,074.98/54,781.11
  6. Step 6: Final answer
    x = 57,056.69

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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.