Home / 54,433.20-81,604.44-21,145.44

Finding the Fourth Proportional to 54,433.20, 81,604.44 and 21,145.44

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Solution

The fourth proportional to 54,433.20, 81,604.44 and 21,145.44 is: 31,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.20 : 81,604.44 = 21,145.44 : x
  2. Step 2: Convert to fraction form
    54,433.20/81,604.44 = 21,145.44/x
  3. Step 3: Cross multiply
    54,433.20x = 81,604.44 × 21,145.44
  4. Step 4: Simplify right side
    54,433.20x = 1,725,561,789.75
  5. Step 5: Solve for x
    x = 1,725,561,789.75/54,433.20
  6. Step 6: Final answer
    x = 31,700.54

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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.