Home / 73,945.20-110,932.20-31,825.20

Finding the Fourth Proportional to 73,945.20, 110,932.20 and 31,825.20

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Solution

The fourth proportional to 73,945.20, 110,932.20 and 31,825.20 is: 47,744.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,945.20 : 110,932.20 = 31,825.20 : x
  2. Step 2: Convert to fraction form
    73,945.20/110,932.20 = 31,825.20/x
  3. Step 3: Cross multiply
    73,945.20x = 110,932.20 × 31,825.20
  4. Step 4: Simplify right side
    73,945.20x = 3,530,439,451.44
  5. Step 5: Solve for x
    x = 3,530,439,451.44/73,945.20
  6. Step 6: Final answer
    x = 47,744.00

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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.