Home / 42,212.88-63,318.12-17,245.86

Finding the Fourth Proportional to 42,212.88, 63,318.12 and 17,245.86

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Solution

The fourth proportional to 42,212.88, 63,318.12 and 17,245.86 is: 25,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.88 : 63,318.12 = 17,245.86 : x
  2. Step 2: Convert to fraction form
    42,212.88/63,318.12 = 17,245.86/x
  3. Step 3: Cross multiply
    42,212.88x = 63,318.12 × 17,245.86
  4. Step 4: Simplify right side
    42,212.88x = 1,091,975,432.98
  5. Step 5: Solve for x
    x = 1,091,975,432.98/42,212.88
  6. Step 6: Final answer
    x = 25,868.30

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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.