Home / 43,456.88-65,134.20-20,033.84

Finding the Fourth Proportional to 43,456.88, 65,134.20 and 20,033.84

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Solution

The fourth proportional to 43,456.88, 65,134.20 and 20,033.84 is: 30,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.88 : 65,134.20 = 20,033.84 : x
  2. Step 2: Convert to fraction form
    43,456.88/65,134.20 = 20,033.84/x
  3. Step 3: Cross multiply
    43,456.88x = 65,134.20 × 20,033.84
  4. Step 4: Simplify right side
    43,456.88x = 1,304,888,141.33
  5. Step 5: Solve for x
    x = 1,304,888,141.33/43,456.88
  6. Step 6: Final answer
    x = 30,027.19

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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.