Home / 33,190.21-49,668.33-20,716.08

Finding the Fourth Proportional to 33,190.21, 49,668.33 and 20,716.08

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Solution

The fourth proportional to 33,190.21, 49,668.33 and 20,716.08 is: 31,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,190.21 : 49,668.33 = 20,716.08 : x
  2. Step 2: Convert to fraction form
    33,190.21/49,668.33 = 20,716.08/x
  3. Step 3: Cross multiply
    33,190.21x = 49,668.33 × 20,716.08
  4. Step 4: Simplify right side
    33,190.21x = 1,028,933,097.75
  5. Step 5: Solve for x
    x = 1,028,933,097.75/33,190.21
  6. Step 6: Final answer
    x = 31,001.10

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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.