Home / 43,725.24-65,591.88-18,759.66

Finding the Fourth Proportional to 43,725.24, 65,591.88 and 18,759.66

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Solution

The fourth proportional to 43,725.24, 65,591.88 and 18,759.66 is: 28,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725.24 : 65,591.88 = 18,759.66 : x
  2. Step 2: Convert to fraction form
    43,725.24/65,591.88 = 18,759.66/x
  3. Step 3: Cross multiply
    43,725.24x = 65,591.88 × 18,759.66
  4. Step 4: Simplify right side
    43,725.24x = 1,230,481,367.56
  5. Step 5: Solve for x
    x = 1,230,481,367.56/43,725.24
  6. Step 6: Final answer
    x = 28,141.21

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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.