Home / 49,841.82-74,744.10-20,249.69

Finding the Fourth Proportional to 49,841.82, 74,744.10 and 20,249.69

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Solution

The fourth proportional to 49,841.82, 74,744.10 and 20,249.69 is: 30,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,841.82 : 74,744.10 = 20,249.69 : x
  2. Step 2: Convert to fraction form
    49,841.82/74,744.10 = 20,249.69/x
  3. Step 3: Cross multiply
    49,841.82x = 74,744.10 × 20,249.69
  4. Step 4: Simplify right side
    49,841.82x = 1,513,544,480.61
  5. Step 5: Solve for x
    x = 1,513,544,480.61/49,841.82
  6. Step 6: Final answer
    x = 30,366.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.