Home / 42,659.50-63,961.88-17,716.78

Finding the Fourth Proportional to 42,659.50, 63,961.88 and 17,716.78

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Solution

The fourth proportional to 42,659.50, 63,961.88 and 17,716.78 is: 26,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,659.50 : 63,961.88 = 17,716.78 : x
  2. Step 2: Convert to fraction form
    42,659.50/63,961.88 = 17,716.78/x
  3. Step 3: Cross multiply
    42,659.50x = 63,961.88 × 17,716.78
  4. Step 4: Simplify right side
    42,659.50x = 1,133,198,556.35
  5. Step 5: Solve for x
    x = 1,133,198,556.35/42,659.50
  6. Step 6: Final answer
    x = 26,563.80

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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.