Home / 54,375.17-75,003.20-39,289.97

Finding the Fourth Proportional to 54,375.17, 75,003.20 and 39,289.97

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Solution

The fourth proportional to 54,375.17, 75,003.20 and 39,289.97 is: 54,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.17 : 75,003.20 = 39,289.97 : x
  2. Step 2: Convert to fraction form
    54,375.17/75,003.20 = 39,289.97/x
  3. Step 3: Cross multiply
    54,375.17x = 75,003.20 × 39,289.97
  4. Step 4: Simplify right side
    54,375.17x = 2,946,872,906.44
  5. Step 5: Solve for x
    x = 2,946,872,906.44/54,375.17
  6. Step 6: Final answer
    x = 54,195.20

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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.