Home / 67,945.20-101,842.20-31,939.44

Finding the Fourth Proportional to 67,945.20, 101,842.20 and 31,939.44

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Solution

The fourth proportional to 67,945.20, 101,842.20 and 31,939.44 is: 47,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,945.20 : 101,842.20 = 31,939.44 : x
  2. Step 2: Convert to fraction form
    67,945.20/101,842.20 = 31,939.44/x
  3. Step 3: Cross multiply
    67,945.20x = 101,842.20 × 31,939.44
  4. Step 4: Simplify right side
    67,945.20x = 3,252,782,836.37
  5. Step 5: Solve for x
    x = 3,252,782,836.37/67,945.20
  6. Step 6: Final answer
    x = 47,873.62

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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.