Home / 31,715.92-43,767.66-17,375.86

Finding the Fourth Proportional to 31,715.92, 43,767.66 and 17,375.86

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Solution

The fourth proportional to 31,715.92, 43,767.66 and 17,375.86 is: 23,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.92 : 43,767.66 = 17,375.86 : x
  2. Step 2: Convert to fraction form
    31,715.92/43,767.66 = 17,375.86/x
  3. Step 3: Cross multiply
    31,715.92x = 43,767.66 × 17,375.86
  4. Step 4: Simplify right side
    31,715.92x = 760,500,732.69
  5. Step 5: Solve for x
    x = 760,500,732.69/31,715.92
  6. Step 6: Final answer
    x = 23,978.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.