Home / 49,249.80-67,918.59-39,211.38

Finding the Fourth Proportional to 49,249.80, 67,918.59 and 39,211.38

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Solution

The fourth proportional to 49,249.80, 67,918.59 and 39,211.38 is: 54,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,249.80 : 67,918.59 = 39,211.38 : x
  2. Step 2: Convert to fraction form
    49,249.80/67,918.59 = 39,211.38/x
  3. Step 3: Cross multiply
    49,249.80x = 67,918.59 × 39,211.38
  4. Step 4: Simplify right side
    49,249.80x = 2,663,181,641.55
  5. Step 5: Solve for x
    x = 2,663,181,641.55/49,249.80
  6. Step 6: Final answer
    x = 54,074.97

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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.