Home / 51,716.09-71,375.90-31,584.65

Finding the Fourth Proportional to 51,716.09, 71,375.90 and 31,584.65

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Solution

The fourth proportional to 51,716.09, 71,375.90 and 31,584.65 is: 43,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,716.09 : 71,375.90 = 31,584.65 : x
  2. Step 2: Convert to fraction form
    51,716.09/71,375.90 = 31,584.65/x
  3. Step 3: Cross multiply
    51,716.09x = 71,375.90 × 31,584.65
  4. Step 4: Simplify right side
    51,716.09x = 2,254,382,819.94
  5. Step 5: Solve for x
    x = 2,254,382,819.94/51,716.09
  6. Step 6: Final answer
    x = 43,591.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.