Home / 49,418.24-68,205.12-28,198.40

Finding the Fourth Proportional to 49,418.24, 68,205.12 and 28,198.40

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Solution

The fourth proportional to 49,418.24, 68,205.12 and 28,198.40 is: 38,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.24 : 68,205.12 = 28,198.40 : x
  2. Step 2: Convert to fraction form
    49,418.24/68,205.12 = 28,198.40/x
  3. Step 3: Cross multiply
    49,418.24x = 68,205.12 × 28,198.40
  4. Step 4: Simplify right side
    49,418.24x = 1,923,275,255.81
  5. Step 5: Solve for x
    x = 1,923,275,255.81/49,418.24
  6. Step 6: Final answer
    x = 38,918.33

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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.