Home / 67,396.50-101,077.44-20,000.38

Finding the Fourth Proportional to 67,396.50, 101,077.44 and 20,000.38

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Solution

The fourth proportional to 67,396.50, 101,077.44 and 20,000.38 is: 29,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,396.50 : 101,077.44 = 20,000.38 : x
  2. Step 2: Convert to fraction form
    67,396.50/101,077.44 = 20,000.38/x
  3. Step 3: Cross multiply
    67,396.50x = 101,077.44 × 20,000.38
  4. Step 4: Simplify right side
    67,396.50x = 2,021,587,209.43
  5. Step 5: Solve for x
    x = 2,021,587,209.43/67,396.50
  6. Step 6: Final answer
    x = 29,995.43

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1.5x scale

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.