Home / 54,454.72-81,512.32-41,942.40

Finding the Fourth Proportional to 54,454.72, 81,512.32 and 41,942.40

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Solution

The fourth proportional to 54,454.72, 81,512.32 and 41,942.40 is: 62,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,454.72 : 81,512.32 = 41,942.40 : x
  2. Step 2: Convert to fraction form
    54,454.72/81,512.32 = 41,942.40/x
  3. Step 3: Cross multiply
    54,454.72x = 81,512.32 × 41,942.40
  4. Step 4: Simplify right side
    54,454.72x = 3,418,822,330.37
  5. Step 5: Solve for x
    x = 3,418,822,330.37/54,454.72
  6. Step 6: Final answer
    x = 62,782.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.