Home / 49,114.86-67,786.70-28,976.73

Finding the Fourth Proportional to 49,114.86, 67,786.70 and 28,976.73

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Solution

The fourth proportional to 49,114.86, 67,786.70 and 28,976.73 is: 39,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,114.86 : 67,786.70 = 28,976.73 : x
  2. Step 2: Convert to fraction form
    49,114.86/67,786.70 = 28,976.73/x
  3. Step 3: Cross multiply
    49,114.86x = 67,786.70 × 28,976.73
  4. Step 4: Simplify right side
    49,114.86x = 1,964,236,758.61
  5. Step 5: Solve for x
    x = 1,964,236,758.61/49,114.86
  6. Step 6: Final answer
    x = 39,992.72

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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.