Home / 44,765.78-67,139.07-18,463.70

Finding the Fourth Proportional to 44,765.78, 67,139.07 and 18,463.70

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Solution

The fourth proportional to 44,765.78, 67,139.07 and 18,463.70 is: 27,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,765.78 : 67,139.07 = 18,463.70 : x
  2. Step 2: Convert to fraction form
    44,765.78/67,139.07 = 18,463.70/x
  3. Step 3: Cross multiply
    44,765.78x = 67,139.07 × 18,463.70
  4. Step 4: Simplify right side
    44,765.78x = 1,239,635,646.76
  5. Step 5: Solve for x
    x = 1,239,635,646.76/44,765.78
  6. Step 6: Final answer
    x = 27,691.59

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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.