Home / 50,275.76-69,377.84-28,765.92

Finding the Fourth Proportional to 50,275.76, 69,377.84 and 28,765.92

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Solution

The fourth proportional to 50,275.76, 69,377.84 and 28,765.92 is: 39,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.76 : 69,377.84 = 28,765.92 : x
  2. Step 2: Convert to fraction form
    50,275.76/69,377.84 = 28,765.92/x
  3. Step 3: Cross multiply
    50,275.76x = 69,377.84 × 28,765.92
  4. Step 4: Simplify right side
    50,275.76x = 1,995,717,251.38
  5. Step 5: Solve for x
    x = 1,995,717,251.38/50,275.76
  6. Step 6: Final answer
    x = 39,695.42

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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.