Home / 42,189.52-63,284.20-17,241.28

Finding the Fourth Proportional to 42,189.52, 63,284.20 and 17,241.28

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Solution

The fourth proportional to 42,189.52, 63,284.20 and 17,241.28 is: 25,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.52 : 63,284.20 = 17,241.28 : x
  2. Step 2: Convert to fraction form
    42,189.52/63,284.20 = 17,241.28/x
  3. Step 3: Cross multiply
    42,189.52x = 63,284.20 × 17,241.28
  4. Step 4: Simplify right side
    42,189.52x = 1,091,100,611.78
  5. Step 5: Solve for x
    x = 1,091,100,611.78/42,189.52
  6. Step 6: Final answer
    x = 25,861.89

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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.