Home / 71,393.40-107,046.86-31,943.16

Finding the Fourth Proportional to 71,393.40, 107,046.86 and 31,943.16

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Solution

The fourth proportional to 71,393.40, 107,046.86 and 31,943.16 is: 47,895.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.40 : 107,046.86 = 31,943.16 : x
  2. Step 2: Convert to fraction form
    71,393.40/107,046.86 = 31,943.16/x
  3. Step 3: Cross multiply
    71,393.40x = 107,046.86 × 31,943.16
  4. Step 4: Simplify right side
    71,393.40x = 3,419,414,976.48
  5. Step 5: Solve for x
    x = 3,419,414,976.48/71,393.40
  6. Step 6: Final answer
    x = 47,895.39

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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.