Home / 71,449.14-107,169.39-31,995.66

Finding the Fourth Proportional to 71,449.14, 107,169.39 and 31,995.66

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Solution

The fourth proportional to 71,449.14, 107,169.39 and 31,995.66 is: 47,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,449.14 : 107,169.39 = 31,995.66 : x
  2. Step 2: Convert to fraction form
    71,449.14/107,169.39 = 31,995.66/x
  3. Step 3: Cross multiply
    71,449.14x = 107,169.39 × 31,995.66
  4. Step 4: Simplify right side
    71,449.14x = 3,428,955,364.85
  5. Step 5: Solve for x
    x = 3,428,955,364.85/71,449.14
  6. Step 6: Final answer
    x = 47,991.56

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1.5x scale

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.