Home / 36,179.28-49,930.20-20,269.08

Finding the Fourth Proportional to 36,179.28, 49,930.20 and 20,269.08

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Solution

The fourth proportional to 36,179.28, 49,930.20 and 20,269.08 is: 27,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.28 : 49,930.20 = 20,269.08 : x
  2. Step 2: Convert to fraction form
    36,179.28/49,930.20 = 20,269.08/x
  3. Step 3: Cross multiply
    36,179.28x = 49,930.20 × 20,269.08
  4. Step 4: Simplify right side
    36,179.28x = 1,012,039,218.22
  5. Step 5: Solve for x
    x = 1,012,039,218.22/36,179.28
  6. Step 6: Final answer
    x = 27,972.90

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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.