Home / 33,190.91-49,743.32-13,458.71

Finding the Fourth Proportional to 33,190.91, 49,743.32 and 13,458.71

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Solution

The fourth proportional to 33,190.91, 49,743.32 and 13,458.71 is: 20,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,190.91 : 49,743.32 = 13,458.71 : x
  2. Step 2: Convert to fraction form
    33,190.91/49,743.32 = 13,458.71/x
  3. Step 3: Cross multiply
    33,190.91x = 49,743.32 × 13,458.71
  4. Step 4: Simplify right side
    33,190.91x = 669,480,695.58
  5. Step 5: Solve for x
    x = 669,480,695.58/33,190.91
  6. Step 6: Final answer
    x = 20,170.60

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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.