Home / 40,102.20-55,341.52-22,198.87

Finding the Fourth Proportional to 40,102.20, 55,341.52 and 22,198.87

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Solution

The fourth proportional to 40,102.20, 55,341.52 and 22,198.87 is: 30,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.20 : 55,341.52 = 22,198.87 : x
  2. Step 2: Convert to fraction form
    40,102.20/55,341.52 = 22,198.87/x
  3. Step 3: Cross multiply
    40,102.20x = 55,341.52 × 22,198.87
  4. Step 4: Simplify right side
    40,102.20x = 1,228,519,208.08
  5. Step 5: Solve for x
    x = 1,228,519,208.08/40,102.20
  6. Step 6: Final answer
    x = 30,634.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.