Home / 39,951.38-55,136.02-22,961.55

Finding the Fourth Proportional to 39,951.38, 55,136.02 and 22,961.55

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Solution

The fourth proportional to 39,951.38, 55,136.02 and 22,961.55 is: 31,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.38 : 55,136.02 = 22,961.55 : x
  2. Step 2: Convert to fraction form
    39,951.38/55,136.02 = 22,961.55/x
  3. Step 3: Cross multiply
    39,951.38x = 55,136.02 × 22,961.55
  4. Step 4: Simplify right side
    39,951.38x = 1,266,008,452.79
  5. Step 5: Solve for x
    x = 1,266,008,452.79/39,951.38
  6. Step 6: Final answer
    x = 31,688.73

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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.