Home / 66,944.39-100,367.37-31,908.65

Finding the Fourth Proportional to 66,944.39, 100,367.37 and 31,908.65

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Solution

The fourth proportional to 66,944.39, 100,367.37 and 31,908.65 is: 47,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,944.39 : 100,367.37 = 31,908.65 : x
  2. Step 2: Convert to fraction form
    66,944.39/100,367.37 = 31,908.65/x
  3. Step 3: Cross multiply
    66,944.39x = 100,367.37 × 31,908.65
  4. Step 4: Simplify right side
    66,944.39x = 3,202,586,778.91
  5. Step 5: Solve for x
    x = 3,202,586,778.91/66,944.39
  6. Step 6: Final answer
    x = 47,839.51

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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.