Home / 33,257.90-45,896.97-18,917.36

Finding the Fourth Proportional to 33,257.90, 45,896.97 and 18,917.36

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Solution

The fourth proportional to 33,257.90, 45,896.97 and 18,917.36 is: 26,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,257.90 : 45,896.97 = 18,917.36 : x
  2. Step 2: Convert to fraction form
    33,257.90/45,896.97 = 18,917.36/x
  3. Step 3: Cross multiply
    33,257.90x = 45,896.97 × 18,917.36
  4. Step 4: Simplify right side
    33,257.90x = 868,249,180.33
  5. Step 5: Solve for x
    x = 868,249,180.33/33,257.90
  6. Step 6: Final answer
    x = 26,106.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.