Home / 31,926.30-47,912.13-14,410.86

Finding the Fourth Proportional to 31,926.30, 47,912.13 and 14,410.86

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Solution

The fourth proportional to 31,926.30, 47,912.13 and 14,410.86 is: 21,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.30 : 47,912.13 = 14,410.86 : x
  2. Step 2: Convert to fraction form
    31,926.30/47,912.13 = 14,410.86/x
  3. Step 3: Cross multiply
    31,926.30x = 47,912.13 × 14,410.86
  4. Step 4: Simplify right side
    31,926.30x = 690,454,997.73
  5. Step 5: Solve for x
    x = 690,454,997.73/31,926.30
  6. Step 6: Final answer
    x = 21,626.53

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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.