Home / 44,516.60-66,812.70-18,240.20

Finding the Fourth Proportional to 44,516.60, 66,812.70 and 18,240.20

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Solution

The fourth proportional to 44,516.60, 66,812.70 and 18,240.20 is: 27,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,516.60 : 66,812.70 = 18,240.20 : x
  2. Step 2: Convert to fraction form
    44,516.60/66,812.70 = 18,240.20/x
  3. Step 3: Cross multiply
    44,516.60x = 66,812.70 × 18,240.20
  4. Step 4: Simplify right side
    44,516.60x = 1,218,677,010.54
  5. Step 5: Solve for x
    x = 1,218,677,010.54/44,516.60
  6. Step 6: Final answer
    x = 27,375.79

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1.5x scale

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.