Home / 49,067.80-67,690.92-28,910.92

Finding the Fourth Proportional to 49,067.80, 67,690.92 and 28,910.92

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Solution

The fourth proportional to 49,067.80, 67,690.92 and 28,910.92 is: 39,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.80 : 67,690.92 = 28,910.92 : x
  2. Step 2: Convert to fraction form
    49,067.80/67,690.92 = 28,910.92/x
  3. Step 3: Cross multiply
    49,067.80x = 67,690.92 × 28,910.92
  4. Step 4: Simplify right side
    49,067.80x = 1,957,006,772.85
  5. Step 5: Solve for x
    x = 1,957,006,772.85/49,067.80
  6. Step 6: Final answer
    x = 39,883.73

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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.