Home / 31,844.06-47,693.24-15,215.78

Finding the Fourth Proportional to 31,844.06, 47,693.24 and 15,215.78

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Solution

The fourth proportional to 31,844.06, 47,693.24 and 15,215.78 is: 22,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.06 : 47,693.24 = 15,215.78 : x
  2. Step 2: Convert to fraction form
    31,844.06/47,693.24 = 15,215.78/x
  3. Step 3: Cross multiply
    31,844.06x = 47,693.24 × 15,215.78
  4. Step 4: Simplify right side
    31,844.06x = 725,689,847.33
  5. Step 5: Solve for x
    x = 725,689,847.33/31,844.06
  6. Step 6: Final answer
    x = 22,788.86

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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.