Home / 67,173.22-100,756.17-20,422.45

Finding the Fourth Proportional to 67,173.22, 100,756.17 and 20,422.45

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Solution

The fourth proportional to 67,173.22, 100,756.17 and 20,422.45 is: 30,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,173.22 : 100,756.17 = 20,422.45 : x
  2. Step 2: Convert to fraction form
    67,173.22/100,756.17 = 20,422.45/x
  3. Step 3: Cross multiply
    67,173.22x = 100,756.17 × 20,422.45
  4. Step 4: Simplify right side
    67,173.22x = 2,057,687,340.24
  5. Step 5: Solve for x
    x = 2,057,687,340.24/67,173.22
  6. Step 6: Final answer
    x = 30,632.56

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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.