Home / 44,472.43-66,730.56-20,781.61

Finding the Fourth Proportional to 44,472.43, 66,730.56 and 20,781.61

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Solution

The fourth proportional to 44,472.43, 66,730.56 and 20,781.61 is: 31,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,472.43 : 66,730.56 = 20,781.61 : x
  2. Step 2: Convert to fraction form
    44,472.43/66,730.56 = 20,781.61/x
  3. Step 3: Cross multiply
    44,472.43x = 66,730.56 × 20,781.61
  4. Step 4: Simplify right side
    44,472.43x = 1,386,768,228.24
  5. Step 5: Solve for x
    x = 1,386,768,228.24/44,472.43
  6. Step 6: Final answer
    x = 31,182.65

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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.