Home / 38,136.82-57,220.95-16,778.56

Finding the Fourth Proportional to 38,136.82, 57,220.95 and 16,778.56

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Solution

The fourth proportional to 38,136.82, 57,220.95 and 16,778.56 is: 25,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.82 : 57,220.95 = 16,778.56 : x
  2. Step 2: Convert to fraction form
    38,136.82/57,220.95 = 16,778.56/x
  3. Step 3: Cross multiply
    38,136.82x = 57,220.95 × 16,778.56
  4. Step 4: Simplify right side
    38,136.82x = 960,085,142.83
  5. Step 5: Solve for x
    x = 960,085,142.83/38,136.82
  6. Step 6: Final answer
    x = 25,174.76

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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.