Home / 36,124.20-49,849.08-20,205.90

Finding the Fourth Proportional to 36,124.20, 49,849.08 and 20,205.90

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Solution

The fourth proportional to 36,124.20, 49,849.08 and 20,205.90 is: 27,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.20 : 49,849.08 = 20,205.90 : x
  2. Step 2: Convert to fraction form
    36,124.20/49,849.08 = 20,205.90/x
  3. Step 3: Cross multiply
    36,124.20x = 49,849.08 × 20,205.90
  4. Step 4: Simplify right side
    36,124.20x = 1,007,245,525.57
  5. Step 5: Solve for x
    x = 1,007,245,525.57/36,124.20
  6. Step 6: Final answer
    x = 27,882.85

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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.