Home / 36,078.11-49,787.65-20,162.56

Finding the Fourth Proportional to 36,078.11, 49,787.65 and 20,162.56

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Solution

The fourth proportional to 36,078.11, 49,787.65 and 20,162.56 is: 27,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.11 : 49,787.65 = 20,162.56 : x
  2. Step 2: Convert to fraction form
    36,078.11/49,787.65 = 20,162.56/x
  3. Step 3: Cross multiply
    36,078.11x = 49,787.65 × 20,162.56
  4. Step 4: Simplify right side
    36,078.11x = 1,003,846,480.38
  5. Step 5: Solve for x
    x = 1,003,846,480.38/36,078.11
  6. Step 6: Final answer
    x = 27,824.25

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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.