Home / 67,265.22-100,897.55-20,517.94

Finding the Fourth Proportional to 67,265.22, 100,897.55 and 20,517.94

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Solution

The fourth proportional to 67,265.22, 100,897.55 and 20,517.94 is: 30,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,265.22 : 100,897.55 = 20,517.94 : x
  2. Step 2: Convert to fraction form
    67,265.22/100,897.55 = 20,517.94/x
  3. Step 3: Cross multiply
    67,265.22x = 100,897.55 × 20,517.94
  4. Step 4: Simplify right side
    67,265.22x = 2,070,209,877.05
  5. Step 5: Solve for x
    x = 2,070,209,877.05/67,265.22
  6. Step 6: Final answer
    x = 30,776.82

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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.