Home / 50,247.29-69,319.04-31,121.97

Finding the Fourth Proportional to 50,247.29, 69,319.04 and 31,121.97

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Solution

The fourth proportional to 50,247.29, 69,319.04 and 31,121.97 is: 42,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,247.29 : 69,319.04 = 31,121.97 : x
  2. Step 2: Convert to fraction form
    50,247.29/69,319.04 = 31,121.97/x
  3. Step 3: Cross multiply
    50,247.29x = 69,319.04 × 31,121.97
  4. Step 4: Simplify right side
    50,247.29x = 2,157,344,927.70
  5. Step 5: Solve for x
    x = 2,157,344,927.70/50,247.29
  6. Step 6: Final answer
    x = 42,934.56

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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.