Home / 47,974.90-71,960.30-16,387.79

Finding the Fourth Proportional to 47,974.90, 71,960.30 and 16,387.79

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Solution

The fourth proportional to 47,974.90, 71,960.30 and 16,387.79 is: 24,580.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,974.90 : 71,960.30 = 16,387.79 : x
  2. Step 2: Convert to fraction form
    47,974.90/71,960.30 = 16,387.79/x
  3. Step 3: Cross multiply
    47,974.90x = 71,960.30 × 16,387.79
  4. Step 4: Simplify right side
    47,974.90x = 1,179,269,904.45
  5. Step 5: Solve for x
    x = 1,179,269,904.45/47,974.90
  6. Step 6: Final answer
    x = 24,580.98

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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.