Home / 22,078.20-33,026.18-20,131.77

Finding the Fourth Proportional to 22,078.20, 33,026.18 and 20,131.77

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Solution

The fourth proportional to 22,078.20, 33,026.18 and 20,131.77 is: 30,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.20 : 33,026.18 = 20,131.77 : x
  2. Step 2: Convert to fraction form
    22,078.20/33,026.18 = 20,131.77/x
  3. Step 3: Cross multiply
    22,078.20x = 33,026.18 × 20,131.77
  4. Step 4: Simplify right side
    22,078.20x = 664,875,359.08
  5. Step 5: Solve for x
    x = 664,875,359.08/22,078.20
  6. Step 6: Final answer
    x = 30,114.56

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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.