Home / 33,287.58-45,935.82-18,180

Finding the Fourth Proportional to 33,287.58, 45,935.82 and 18,180

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Solution

The fourth proportional to 33,287.58, 45,935.82 and 18,180 is: 25,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,287.58 : 45,935.82 = 18,180 : x
  2. Step 2: Convert to fraction form
    33,287.58/45,935.82 = 18,180/x
  3. Step 3: Cross multiply
    33,287.58x = 45,935.82 × 18,180
  4. Step 4: Simplify right side
    33,287.58x = 835,113,207.60
  5. Step 5: Solve for x
    x = 835,113,207.60/33,287.58
  6. Step 6: Final answer
    x = 25,087.83

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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.