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Finding the Fourth Proportional to 56,344.38, 84,559.42 and 20,839.29

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Solution

The fourth proportional to 56,344.38, 84,559.42 and 20,839.29 is: 31,274.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.38 : 84,559.42 = 20,839.29 : x
  2. Step 2: Convert to fraction form
    56,344.38/84,559.42 = 20,839.29/x
  3. Step 3: Cross multiply
    56,344.38x = 84,559.42 × 20,839.29
  4. Step 4: Simplify right side
    56,344.38x = 1,762,158,246.48
  5. Step 5: Solve for x
    x = 1,762,158,246.48/56,344.38
  6. Step 6: Final answer
    x = 31,274.78

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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.