Home / 31,336.20-47,046.02-18,198

Finding the Fourth Proportional to 31,336.20, 47,046.02 and 18,198

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Solution

The fourth proportional to 31,336.20, 47,046.02 and 18,198 is: 27,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.20 : 47,046.02 = 18,198 : x
  2. Step 2: Convert to fraction form
    31,336.20/47,046.02 = 18,198/x
  3. Step 3: Cross multiply
    31,336.20x = 47,046.02 × 18,198
  4. Step 4: Simplify right side
    31,336.20x = 856,143,380.97
  5. Step 5: Solve for x
    x = 856,143,380.97/31,336.20
  6. Step 6: Final answer
    x = 27,321.23

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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.