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Finding the Fourth Proportional to 54,296.76, 81,446.22 and 35,695.44

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Solution

The fourth proportional to 54,296.76, 81,446.22 and 35,695.44 is: 53,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.76 : 81,446.22 = 35,695.44 : x
  2. Step 2: Convert to fraction form
    54,296.76/81,446.22 = 35,695.44/x
  3. Step 3: Cross multiply
    54,296.76x = 81,446.22 × 35,695.44
  4. Step 4: Simplify right side
    54,296.76x = 2,907,258,659.24
  5. Step 5: Solve for x
    x = 2,907,258,659.24/54,296.76
  6. Step 6: Final answer
    x = 53,543.87

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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.