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Finding the Fourth Proportional to 33,287.75, 45,937.10 and 18,383.75

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Solution

The fourth proportional to 33,287.75, 45,937.10 and 18,383.75 is: 25,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,287.75 : 45,937.10 = 18,383.75 : x
  2. Step 2: Convert to fraction form
    33,287.75/45,937.10 = 18,383.75/x
  3. Step 3: Cross multiply
    33,287.75x = 45,937.10 × 18,383.75
  4. Step 4: Simplify right side
    33,287.75x = 844,496,162.13
  5. Step 5: Solve for x
    x = 844,496,162.13/33,287.75
  6. Step 6: Final answer
    x = 25,369.58

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