Home / 47,617.30-71,450.25-19,558.90

Finding the Fourth Proportional to 47,617.30, 71,450.25 and 19,558.90

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Solution

The fourth proportional to 47,617.30, 71,450.25 and 19,558.90 is: 29,348.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,617.30 : 71,450.25 = 19,558.90 : x
  2. Step 2: Convert to fraction form
    47,617.30/71,450.25 = 19,558.90/x
  3. Step 3: Cross multiply
    47,617.30x = 71,450.25 × 19,558.90
  4. Step 4: Simplify right side
    47,617.30x = 1,397,488,294.73
  5. Step 5: Solve for x
    x = 1,397,488,294.73/47,617.30
  6. Step 6: Final answer
    x = 29,348.33

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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.