Home / 31,729.76-47,560.32-14,175.44

Finding the Fourth Proportional to 31,729.76, 47,560.32 and 14,175.44

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Solution

The fourth proportional to 31,729.76, 47,560.32 and 14,175.44 is: 21,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.76 : 47,560.32 = 14,175.44 : x
  2. Step 2: Convert to fraction form
    31,729.76/47,560.32 = 14,175.44/x
  3. Step 3: Cross multiply
    31,729.76x = 47,560.32 × 14,175.44
  4. Step 4: Simplify right side
    31,729.76x = 674,188,462.54
  5. Step 5: Solve for x
    x = 674,188,462.54/31,729.76
  6. Step 6: Final answer
    x = 21,247.83

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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.