Home / 50,711.22-69,979.82-28,049.85

Finding the Fourth Proportional to 50,711.22, 69,979.82 and 28,049.85

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Solution

The fourth proportional to 50,711.22, 69,979.82 and 28,049.85 is: 38,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,711.22 : 69,979.82 = 28,049.85 : x
  2. Step 2: Convert to fraction form
    50,711.22/69,979.82 = 28,049.85/x
  3. Step 3: Cross multiply
    50,711.22x = 69,979.82 × 28,049.85
  4. Step 4: Simplify right side
    50,711.22x = 1,962,923,313.78
  5. Step 5: Solve for x
    x = 1,962,923,313.78/50,711.22
  6. Step 6: Final answer
    x = 38,707.87

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1.5x scale

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.