Home / 49,448.97-68,251.79-28,240.54

Finding the Fourth Proportional to 49,448.97, 68,251.79 and 28,240.54

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Solution

The fourth proportional to 49,448.97, 68,251.79 and 28,240.54 is: 38,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448.97 : 68,251.79 = 28,240.54 : x
  2. Step 2: Convert to fraction form
    49,448.97/68,251.79 = 28,240.54/x
  3. Step 3: Cross multiply
    49,448.97x = 68,251.79 × 28,240.54
  4. Step 4: Simplify right side
    49,448.97x = 1,927,467,405.57
  5. Step 5: Solve for x
    x = 1,927,467,405.57/49,448.97
  6. Step 6: Final answer
    x = 38,978.92

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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.