Home / 67,006.09-100,523.72-20,257.75

Finding the Fourth Proportional to 67,006.09, 100,523.72 and 20,257.75

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Solution

The fourth proportional to 67,006.09, 100,523.72 and 20,257.75 is: 30,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006.09 : 100,523.72 = 20,257.75 : x
  2. Step 2: Convert to fraction form
    67,006.09/100,523.72 = 20,257.75/x
  3. Step 3: Cross multiply
    67,006.09x = 100,523.72 × 20,257.75
  4. Step 4: Simplify right side
    67,006.09x = 2,036,384,287.54
  5. Step 5: Solve for x
    x = 2,036,384,287.54/67,006.09
  6. Step 6: Final answer
    x = 30,391.03

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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.