Home / 36,205.09-49,960.29-20,286.46

Finding the Fourth Proportional to 36,205.09, 49,960.29 and 20,286.46

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Solution

The fourth proportional to 36,205.09, 49,960.29 and 20,286.46 is: 27,993.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,205.09 : 49,960.29 = 20,286.46 : x
  2. Step 2: Convert to fraction form
    36,205.09/49,960.29 = 20,286.46/x
  3. Step 3: Cross multiply
    36,205.09x = 49,960.29 × 20,286.46
  4. Step 4: Simplify right side
    36,205.09x = 1,013,517,563.20
  5. Step 5: Solve for x
    x = 1,013,517,563.20/36,205.09
  6. Step 6: Final answer
    x = 27,993.79

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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.