Home / 54,393.76-81,592.32-16,955.20

Finding the Fourth Proportional to 54,393.76, 81,592.32 and 16,955.20

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Solution

The fourth proportional to 54,393.76, 81,592.32 and 16,955.20 is: 25,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,393.76 : 81,592.32 = 16,955.20 : x
  2. Step 2: Convert to fraction form
    54,393.76/81,592.32 = 16,955.20/x
  3. Step 3: Cross multiply
    54,393.76x = 81,592.32 × 16,955.20
  4. Step 4: Simplify right side
    54,393.76x = 1,383,414,104.06
  5. Step 5: Solve for x
    x = 1,383,414,104.06/54,393.76
  6. Step 6: Final answer
    x = 25,433.32

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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.