Home / 33,890.19-50,785.33-18,876.64

Finding the Fourth Proportional to 33,890.19, 50,785.33 and 18,876.64

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Solution

The fourth proportional to 33,890.19, 50,785.33 and 18,876.64 is: 28,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.19 : 50,785.33 = 18,876.64 : x
  2. Step 2: Convert to fraction form
    33,890.19/50,785.33 = 18,876.64/x
  3. Step 3: Cross multiply
    33,890.19x = 50,785.33 × 18,876.64
  4. Step 4: Simplify right side
    33,890.19x = 958,656,391.69
  5. Step 5: Solve for x
    x = 958,656,391.69/33,890.19
  6. Step 6: Final answer
    x = 28,287.14

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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.