Home / 44,771.28-67,147.28-18,469.20

Finding the Fourth Proportional to 44,771.28, 67,147.28 and 18,469.20

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Solution

The fourth proportional to 44,771.28, 67,147.28 and 18,469.20 is: 27,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,771.28 : 67,147.28 = 18,469.20 : x
  2. Step 2: Convert to fraction form
    44,771.28/67,147.28 = 18,469.20/x
  3. Step 3: Cross multiply
    44,771.28x = 67,147.28 × 18,469.20
  4. Step 4: Simplify right side
    44,771.28x = 1,240,156,543.78
  5. Step 5: Solve for x
    x = 1,240,156,543.78/44,771.28
  6. Step 6: Final answer
    x = 27,699.82

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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.