Home / 49,029.85-73,480.16-19,431.55

Finding the Fourth Proportional to 49,029.85, 73,480.16 and 19,431.55

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Solution

The fourth proportional to 49,029.85, 73,480.16 and 19,431.55 is: 29,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029.85 : 73,480.16 = 19,431.55 : x
  2. Step 2: Convert to fraction form
    49,029.85/73,480.16 = 19,431.55/x
  3. Step 3: Cross multiply
    49,029.85x = 73,480.16 × 19,431.55
  4. Step 4: Simplify right side
    49,029.85x = 1,427,832,938.49
  5. Step 5: Solve for x
    x = 1,427,832,938.49/49,029.85
  6. Step 6: Final answer
    x = 29,121.71

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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.