Home / 31,583.92-47,380.56-10,517.08

Finding the Fourth Proportional to 31,583.92, 47,380.56 and 10,517.08

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Solution

The fourth proportional to 31,583.92, 47,380.56 and 10,517.08 is: 15,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.92 : 47,380.56 = 10,517.08 : x
  2. Step 2: Convert to fraction form
    31,583.92/47,380.56 = 10,517.08/x
  3. Step 3: Cross multiply
    31,583.92x = 47,380.56 × 10,517.08
  4. Step 4: Simplify right side
    31,583.92x = 498,305,139.96
  5. Step 5: Solve for x
    x = 498,305,139.96/31,583.92
  6. Step 6: Final answer
    x = 15,777.18

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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.