Home / 20,634.91-30,952.19-5,052.55

Finding the Fourth Proportional to 20,634.91, 30,952.19 and 5,052.55

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Solution

The fourth proportional to 20,634.91, 30,952.19 and 5,052.55 is: 7,578.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.91 : 30,952.19 = 5,052.55 : x
  2. Step 2: Convert to fraction form
    20,634.91/30,952.19 = 5,052.55/x
  3. Step 3: Cross multiply
    20,634.91x = 30,952.19 × 5,052.55
  4. Step 4: Simplify right side
    20,634.91x = 156,387,462.32
  5. Step 5: Solve for x
    x = 156,387,462.32/20,634.91
  6. Step 6: Final answer
    x = 7,578.78

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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.