Home / 39,136.62-54,008.55-22,140.52

Finding the Fourth Proportional to 39,136.62, 54,008.55 and 22,140.52

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Solution

The fourth proportional to 39,136.62, 54,008.55 and 22,140.52 is: 30,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.62 : 54,008.55 = 22,140.52 : x
  2. Step 2: Convert to fraction form
    39,136.62/54,008.55 = 22,140.52/x
  3. Step 3: Cross multiply
    39,136.62x = 54,008.55 × 22,140.52
  4. Step 4: Simplify right side
    39,136.62x = 1,195,777,487.95
  5. Step 5: Solve for x
    x = 1,195,777,487.95/39,136.62
  6. Step 6: Final answer
    x = 30,553.93

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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.