Home / 49,723.62-68,625.69-28,218.65

Finding the Fourth Proportional to 49,723.62, 68,625.69 and 28,218.65

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Solution

The fourth proportional to 49,723.62, 68,625.69 and 28,218.65 is: 38,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,723.62 : 68,625.69 = 28,218.65 : x
  2. Step 2: Convert to fraction form
    49,723.62/68,625.69 = 28,218.65/x
  3. Step 3: Cross multiply
    49,723.62x = 68,625.69 × 28,218.65
  4. Step 4: Simplify right side
    49,723.62x = 1,936,524,498.68
  5. Step 5: Solve for x
    x = 1,936,524,498.68/49,723.62
  6. Step 6: Final answer
    x = 38,945.77

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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.