Home / 54,517.20-81,840.60-30,843.60

Finding the Fourth Proportional to 54,517.20, 81,840.60 and 30,843.60

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Solution

The fourth proportional to 54,517.20, 81,840.60 and 30,843.60 is: 46,302.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,517.20 : 81,840.60 = 30,843.60 : x
  2. Step 2: Convert to fraction form
    54,517.20/81,840.60 = 30,843.60/x
  3. Step 3: Cross multiply
    54,517.20x = 81,840.60 × 30,843.60
  4. Step 4: Simplify right side
    54,517.20x = 2,524,258,730.16
  5. Step 5: Solve for x
    x = 2,524,258,730.16/54,517.20
  6. Step 6: Final answer
    x = 46,302.06

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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.