Home / 44,138.43-66,211.73-12,549.15

Finding the Fourth Proportional to 44,138.43, 66,211.73 and 12,549.15

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Solution

The fourth proportional to 44,138.43, 66,211.73 and 12,549.15 is: 18,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,138.43 : 66,211.73 = 12,549.15 : x
  2. Step 2: Convert to fraction form
    44,138.43/66,211.73 = 12,549.15/x
  3. Step 3: Cross multiply
    44,138.43x = 66,211.73 × 12,549.15
  4. Step 4: Simplify right side
    44,138.43x = 830,900,868.78
  5. Step 5: Solve for x
    x = 830,900,868.78/44,138.43
  6. Step 6: Final answer
    x = 18,824.88

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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.