Home / 63,445.18-95,170.10-21,326.70

Finding the Fourth Proportional to 63,445.18, 95,170.10 and 21,326.70

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Solution

The fourth proportional to 63,445.18, 95,170.10 and 21,326.70 is: 31,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,445.18 : 95,170.10 = 21,326.70 : x
  2. Step 2: Convert to fraction form
    63,445.18/95,170.10 = 21,326.70/x
  3. Step 3: Cross multiply
    63,445.18x = 95,170.10 × 21,326.70
  4. Step 4: Simplify right side
    63,445.18x = 2,029,664,171.67
  5. Step 5: Solve for x
    x = 2,029,664,171.67/63,445.18
  6. Step 6: Final answer
    x = 31,990.83

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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.