Home / 33,180.12-49,790.63-13,458.85

Finding the Fourth Proportional to 33,180.12, 49,790.63 and 13,458.85

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Solution

The fourth proportional to 33,180.12, 49,790.63 and 13,458.85 is: 20,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.12 : 49,790.63 = 13,458.85 : x
  2. Step 2: Convert to fraction form
    33,180.12/49,790.63 = 13,458.85/x
  3. Step 3: Cross multiply
    33,180.12x = 49,790.63 × 13,458.85
  4. Step 4: Simplify right side
    33,180.12x = 670,124,304.33
  5. Step 5: Solve for x
    x = 670,124,304.33/33,180.12
  6. Step 6: Final answer
    x = 20,196.56

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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.