Home / 42,563.24-63,842.46-18,863.96

Finding the Fourth Proportional to 42,563.24, 63,842.46 and 18,863.96

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Solution

The fourth proportional to 42,563.24, 63,842.46 and 18,863.96 is: 28,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563.24 : 63,842.46 = 18,863.96 : x
  2. Step 2: Convert to fraction form
    42,563.24/63,842.46 = 18,863.96/x
  3. Step 3: Cross multiply
    42,563.24x = 63,842.46 × 18,863.96
  4. Step 4: Simplify right side
    42,563.24x = 1,204,321,611.74
  5. Step 5: Solve for x
    x = 1,204,321,611.74/42,563.24
  6. Step 6: Final answer
    x = 28,294.88

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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.