Home / 71,708.07-107,558.00-27,339.30

Finding the Fourth Proportional to 71,708.07, 107,558.00 and 27,339.30

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Solution

The fourth proportional to 71,708.07, 107,558.00 and 27,339.30 is: 41,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,708.07 : 107,558.00 = 27,339.30 : x
  2. Step 2: Convert to fraction form
    71,708.07/107,558.00 = 27,339.30/x
  3. Step 3: Cross multiply
    71,708.07x = 107,558.00 × 27,339.30
  4. Step 4: Simplify right side
    71,708.07x = 2,940,560,292.70
  5. Step 5: Solve for x
    x = 2,940,560,292.70/71,708.07
  6. Step 6: Final answer
    x = 41,007.38

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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.