Home / 31,694.56-47,515.92-11,961.88

Finding the Fourth Proportional to 31,694.56, 47,515.92 and 11,961.88

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Solution

The fourth proportional to 31,694.56, 47,515.92 and 11,961.88 is: 17,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.56 : 47,515.92 = 11,961.88 : x
  2. Step 2: Convert to fraction form
    31,694.56/47,515.92 = 11,961.88/x
  3. Step 3: Cross multiply
    31,694.56x = 47,515.92 × 11,961.88
  4. Step 4: Simplify right side
    31,694.56x = 568,379,733.13
  5. Step 5: Solve for x
    x = 568,379,733.13/31,694.56
  6. Step 6: Final answer
    x = 17,933.04

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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.