Home / 54,286.38-81,309.27-41,713.86

Finding the Fourth Proportional to 54,286.38, 81,309.27 and 41,713.86

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Solution

The fourth proportional to 54,286.38, 81,309.27 and 41,713.86 is: 62,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.38 : 81,309.27 = 41,713.86 : x
  2. Step 2: Convert to fraction form
    54,286.38/81,309.27 = 41,713.86/x
  3. Step 3: Cross multiply
    54,286.38x = 81,309.27 × 41,713.86
  4. Step 4: Simplify right side
    54,286.38x = 3,391,723,505.48
  5. Step 5: Solve for x
    x = 3,391,723,505.48/54,286.38
  6. Step 6: Final answer
    x = 62,478.35

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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.