Home / 49,829.46-74,764.44-20,249.61

Finding the Fourth Proportional to 49,829.46, 74,764.44 and 20,249.61

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Solution

The fourth proportional to 49,829.46, 74,764.44 and 20,249.61 is: 30,382.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,829.46 : 74,764.44 = 20,249.61 : x
  2. Step 2: Convert to fraction form
    49,829.46/74,764.44 = 20,249.61/x
  3. Step 3: Cross multiply
    49,829.46x = 74,764.44 × 20,249.61
  4. Step 4: Simplify right side
    49,829.46x = 1,513,950,751.87
  5. Step 5: Solve for x
    x = 1,513,950,751.87/49,829.46
  6. Step 6: Final answer
    x = 30,382.64

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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.