Home / 49,156.38-73,734.84-12,220.38

Finding the Fourth Proportional to 49,156.38, 73,734.84 and 12,220.38

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Solution

The fourth proportional to 49,156.38, 73,734.84 and 12,220.38 is: 18,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,156.38 : 73,734.84 = 12,220.38 : x
  2. Step 2: Convert to fraction form
    49,156.38/73,734.84 = 12,220.38/x
  3. Step 3: Cross multiply
    49,156.38x = 73,734.84 × 12,220.38
  4. Step 4: Simplify right side
    49,156.38x = 901,067,764.04
  5. Step 5: Solve for x
    x = 901,067,764.04/49,156.38
  6. Step 6: Final answer
    x = 18,330.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.