Home / 31,752.61-47,635.19-10,691.80

Finding the Fourth Proportional to 31,752.61, 47,635.19 and 10,691.80

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Solution

The fourth proportional to 31,752.61, 47,635.19 and 10,691.80 is: 16,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.61 : 47,635.19 = 10,691.80 : x
  2. Step 2: Convert to fraction form
    31,752.61/47,635.19 = 10,691.80/x
  3. Step 3: Cross multiply
    31,752.61x = 47,635.19 × 10,691.80
  4. Step 4: Simplify right side
    31,752.61x = 509,305,924.44
  5. Step 5: Solve for x
    x = 509,305,924.44/31,752.61
  6. Step 6: Final answer
    x = 16,039.81

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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.