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Finding the Fourth Proportional to 44,156.88, 66,204 and 20,770.56

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Solution

The fourth proportional to 44,156.88, 66,204 and 20,770.56 is: 31,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,156.88 : 66,204 = 20,770.56 : x
  2. Step 2: Convert to fraction form
    44,156.88/66,204 = 20,770.56/x
  3. Step 3: Cross multiply
    44,156.88x = 66,204 × 20,770.56
  4. Step 4: Simplify right side
    44,156.88x = 1,375,094,154.24
  5. Step 5: Solve for x
    x = 1,375,094,154.24/44,156.88
  6. Step 6: Final answer
    x = 31,141.11

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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.