Home / 47,809.98-71,687.16-18,229.86

Finding the Fourth Proportional to 47,809.98, 71,687.16 and 18,229.86

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Solution

The fourth proportional to 47,809.98, 71,687.16 and 18,229.86 is: 27,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,809.98 : 71,687.16 = 18,229.86 : x
  2. Step 2: Convert to fraction form
    47,809.98/71,687.16 = 18,229.86/x
  3. Step 3: Cross multiply
    47,809.98x = 71,687.16 × 18,229.86
  4. Step 4: Simplify right side
    47,809.98x = 1,306,846,890.60
  5. Step 5: Solve for x
    x = 1,306,846,890.60/47,809.98
  6. Step 6: Final answer
    x = 27,334.19

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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.