Home / 31,912.22-47,854.19-12,176.97

Finding the Fourth Proportional to 31,912.22, 47,854.19 and 12,176.97

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Solution

The fourth proportional to 31,912.22, 47,854.19 and 12,176.97 is: 18,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912.22 : 47,854.19 = 12,176.97 : x
  2. Step 2: Convert to fraction form
    31,912.22/47,854.19 = 12,176.97/x
  3. Step 3: Cross multiply
    31,912.22x = 47,854.19 × 12,176.97
  4. Step 4: Simplify right side
    31,912.22x = 582,719,036.00
  5. Step 5: Solve for x
    x = 582,719,036.00/31,912.22
  6. Step 6: Final answer
    x = 18,260.06

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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.