Home / 38,136.30-57,220.65-18,404.70

Finding the Fourth Proportional to 38,136.30, 57,220.65 and 18,404.70

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Solution

The fourth proportional to 38,136.30, 57,220.65 and 18,404.70 is: 27,614.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.30 : 57,220.65 = 18,404.70 : x
  2. Step 2: Convert to fraction form
    38,136.30/57,220.65 = 18,404.70/x
  3. Step 3: Cross multiply
    38,136.30x = 57,220.65 × 18,404.70
  4. Step 4: Simplify right side
    38,136.30x = 1,053,128,897.06
  5. Step 5: Solve for x
    x = 1,053,128,897.06/38,136.30
  6. Step 6: Final answer
    x = 27,614.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.