Home / 31,757.74-47,626.62-11,491.88

Finding the Fourth Proportional to 31,757.74, 47,626.62 and 11,491.88

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Solution

The fourth proportional to 31,757.74, 47,626.62 and 11,491.88 is: 17,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,757.74 : 47,626.62 = 11,491.88 : x
  2. Step 2: Convert to fraction form
    31,757.74/47,626.62 = 11,491.88/x
  3. Step 3: Cross multiply
    31,757.74x = 47,626.62 × 11,491.88
  4. Step 4: Simplify right side
    31,757.74x = 547,319,342.31
  5. Step 5: Solve for x
    x = 547,319,342.31/31,757.74
  6. Step 6: Final answer
    x = 17,234.20

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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.