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Finding the Fourth Proportional to 41,644.66, 57,469.53 and 22,781.74

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Solution

The fourth proportional to 41,644.66, 57,469.53 and 22,781.74 is: 31,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,644.66 : 57,469.53 = 22,781.74 : x
  2. Step 2: Convert to fraction form
    41,644.66/57,469.53 = 22,781.74/x
  3. Step 3: Cross multiply
    41,644.66x = 57,469.53 × 22,781.74
  4. Step 4: Simplify right side
    41,644.66x = 1,309,255,890.38
  5. Step 5: Solve for x
    x = 1,309,255,890.38/41,644.66
  6. Step 6: Final answer
    x = 31,438.75

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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.