Home / 54,253.50-74,876.22-30,375.56

Finding the Fourth Proportional to 54,253.50, 74,876.22 and 30,375.56

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Solution

The fourth proportional to 54,253.50, 74,876.22 and 30,375.56 is: 41,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.50 : 74,876.22 = 30,375.56 : x
  2. Step 2: Convert to fraction form
    54,253.50/74,876.22 = 30,375.56/x
  3. Step 3: Cross multiply
    54,253.50x = 74,876.22 × 30,375.56
  4. Step 4: Simplify right side
    54,253.50x = 2,274,407,113.18
  5. Step 5: Solve for x
    x = 2,274,407,113.18/54,253.50
  6. Step 6: Final answer
    x = 41,921.85

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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.