Home / 33,072.49-45,640.80-17,965.75

Finding the Fourth Proportional to 33,072.49, 45,640.80 and 17,965.75

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Solution

The fourth proportional to 33,072.49, 45,640.80 and 17,965.75 is: 24,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072.49 : 45,640.80 = 17,965.75 : x
  2. Step 2: Convert to fraction form
    33,072.49/45,640.80 = 17,965.75/x
  3. Step 3: Cross multiply
    33,072.49x = 45,640.80 × 17,965.75
  4. Step 4: Simplify right side
    33,072.49x = 819,971,202.60
  5. Step 5: Solve for x
    x = 819,971,202.60/33,072.49
  6. Step 6: Final answer
    x = 24,793.15

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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.