Home / 39,474.13-54,472.68-21,569.75

Finding the Fourth Proportional to 39,474.13, 54,472.68 and 21,569.75

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Solution

The fourth proportional to 39,474.13, 54,472.68 and 21,569.75 is: 29,765.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.13 : 54,472.68 = 21,569.75 : x
  2. Step 2: Convert to fraction form
    39,474.13/54,472.68 = 21,569.75/x
  3. Step 3: Cross multiply
    39,474.13x = 54,472.68 × 21,569.75
  4. Step 4: Simplify right side
    39,474.13x = 1,174,962,089.43
  5. Step 5: Solve for x
    x = 1,174,962,089.43/39,474.13
  6. Step 6: Final answer
    x = 29,765.37

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1.5x scale

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.