Home / 39,474.53-54,472.56-21,569.68

Finding the Fourth Proportional to 39,474.53, 54,472.56 and 21,569.68

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Solution

The fourth proportional to 39,474.53, 54,472.56 and 21,569.68 is: 29,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.53 : 54,472.56 = 21,569.68 : x
  2. Step 2: Convert to fraction form
    39,474.53/54,472.56 = 21,569.68/x
  3. Step 3: Cross multiply
    39,474.53x = 54,472.56 × 21,569.68
  4. Step 4: Simplify right side
    39,474.53x = 1,174,955,687.98
  5. Step 5: Solve for x
    x = 1,174,955,687.98/39,474.53
  6. Step 6: Final answer
    x = 29,764.91

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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.