Home / 39,375.92-54,337.77-21,471.26

Finding the Fourth Proportional to 39,375.92, 54,337.77 and 21,471.26

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Solution

The fourth proportional to 39,375.92, 54,337.77 and 21,471.26 is: 29,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.92 : 54,337.77 = 21,471.26 : x
  2. Step 2: Convert to fraction form
    39,375.92/54,337.77 = 21,471.26/x
  3. Step 3: Cross multiply
    39,375.92x = 54,337.77 × 21,471.26
  4. Step 4: Simplify right side
    39,375.92x = 1,166,700,387.49
  5. Step 5: Solve for x
    x = 1,166,700,387.49/39,375.92
  6. Step 6: Final answer
    x = 29,629.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.