Home / 36,180.79-49,933.19-20,867.95

Finding the Fourth Proportional to 36,180.79, 49,933.19 and 20,867.95

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Solution

The fourth proportional to 36,180.79, 49,933.19 and 20,867.95 is: 28,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,180.79 : 49,933.19 = 20,867.95 : x
  2. Step 2: Convert to fraction form
    36,180.79/49,933.19 = 20,867.95/x
  3. Step 3: Cross multiply
    36,180.79x = 49,933.19 × 20,867.95
  4. Step 4: Simplify right side
    36,180.79x = 1,042,003,145.97
  5. Step 5: Solve for x
    x = 1,042,003,145.97/36,180.79
  6. Step 6: Final answer
    x = 28,799.90

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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.