Home / 49,998.88-68,995.92-27,638.56

Finding the Fourth Proportional to 49,998.88, 68,995.92 and 27,638.56

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Solution

The fourth proportional to 49,998.88, 68,995.92 and 27,638.56 is: 38,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,998.88 : 68,995.92 = 27,638.56 : x
  2. Step 2: Convert to fraction form
    49,998.88/68,995.92 = 27,638.56/x
  3. Step 3: Cross multiply
    49,998.88x = 68,995.92 × 27,638.56
  4. Step 4: Simplify right side
    49,998.88x = 1,906,947,874.68
  5. Step 5: Solve for x
    x = 1,906,947,874.68/49,998.88
  6. Step 6: Final answer
    x = 38,139.81

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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.