Home / 38,136.87-57,220.98-16,778.58

Finding the Fourth Proportional to 38,136.87, 57,220.98 and 16,778.58

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Solution

The fourth proportional to 38,136.87, 57,220.98 and 16,778.58 is: 25,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.87 : 57,220.98 = 16,778.58 : x
  2. Step 2: Convert to fraction form
    38,136.87/57,220.98 = 16,778.58/x
  3. Step 3: Cross multiply
    38,136.87x = 57,220.98 × 16,778.58
  4. Step 4: Simplify right side
    38,136.87x = 960,086,790.61
  5. Step 5: Solve for x
    x = 960,086,790.61/38,136.87
  6. Step 6: Final answer
    x = 25,174.77

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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.