Home / 73,163.24-109,744.91-20,572.73

Finding the Fourth Proportional to 73,163.24, 109,744.91 and 20,572.73

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Solution

The fourth proportional to 73,163.24, 109,744.91 and 20,572.73 is: 30,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.24 : 109,744.91 = 20,572.73 : x
  2. Step 2: Convert to fraction form
    73,163.24/109,744.91 = 20,572.73/x
  3. Step 3: Cross multiply
    73,163.24x = 109,744.91 × 20,572.73
  4. Step 4: Simplify right side
    73,163.24x = 2,257,752,239.41
  5. Step 5: Solve for x
    x = 2,257,752,239.41/73,163.24
  6. Step 6: Final answer
    x = 30,859.11

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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.