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Finding the Fourth Proportional to 44,644, 66,966 and 11,812

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Solution

The fourth proportional to 44,644, 66,966 and 11,812 is: 17,718

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,644 : 66,966 = 11,812 : x
  2. Step 2: Convert to fraction form
    44,644/66,966 = 11,812/x
  3. Step 3: Cross multiply
    44,644x = 66,966 × 11,812
  4. Step 4: Simplify right side
    44,644x = 791,002,392
  5. Step 5: Solve for x
    x = 791,002,392/44,644
  6. Step 6: Final answer
    x = 17,718

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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.