Home / 47,974.66-71,951.88-12,914.62

Finding the Fourth Proportional to 47,974.66, 71,951.88 and 12,914.62

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Solution

The fourth proportional to 47,974.66, 71,951.88 and 12,914.62 is: 19,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,974.66 : 71,951.88 = 12,914.62 : x
  2. Step 2: Convert to fraction form
    47,974.66/71,951.88 = 12,914.62/x
  3. Step 3: Cross multiply
    47,974.66x = 71,951.88 × 12,914.62
  4. Step 4: Simplify right side
    47,974.66x = 929,231,188.49
  5. Step 5: Solve for x
    x = 929,231,188.49/47,974.66
  6. Step 6: Final answer
    x = 19,369.21

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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.