Home / 31,644.17-47,540.07-18,505.79

Finding the Fourth Proportional to 31,644.17, 47,540.07 and 18,505.79

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Solution

The fourth proportional to 31,644.17, 47,540.07 and 18,505.79 is: 27,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.17 : 47,540.07 = 18,505.79 : x
  2. Step 2: Convert to fraction form
    31,644.17/47,540.07 = 18,505.79/x
  3. Step 3: Cross multiply
    31,644.17x = 47,540.07 × 18,505.79
  4. Step 4: Simplify right side
    31,644.17x = 879,766,552.01
  5. Step 5: Solve for x
    x = 879,766,552.01/31,644.17
  6. Step 6: Final answer
    x = 27,801.85

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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.