Home / 39,229.92-54,136.98-21,324.87

Finding the Fourth Proportional to 39,229.92, 54,136.98 and 21,324.87

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Solution

The fourth proportional to 39,229.92, 54,136.98 and 21,324.87 is: 29,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,229.92 : 54,136.98 = 21,324.87 : x
  2. Step 2: Convert to fraction form
    39,229.92/54,136.98 = 21,324.87/x
  3. Step 3: Cross multiply
    39,229.92x = 54,136.98 × 21,324.87
  4. Step 4: Simplify right side
    39,229.92x = 1,154,464,060.69
  5. Step 5: Solve for x
    x = 1,154,464,060.69/39,229.92
  6. Step 6: Final answer
    x = 29,428.15

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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.