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Finding the Fourth Proportional to 33,892.05, 50,808 and 12,817.35

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Solution

The fourth proportional to 33,892.05, 50,808 and 12,817.35 is: 19,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,892.05 : 50,808 = 12,817.35 : x
  2. Step 2: Convert to fraction form
    33,892.05/50,808 = 12,817.35/x
  3. Step 3: Cross multiply
    33,892.05x = 50,808 × 12,817.35
  4. Step 4: Simplify right side
    33,892.05x = 651,223,918.80
  5. Step 5: Solve for x
    x = 651,223,918.80/33,892.05
  6. Step 6: Final answer
    x = 19,214.65

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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.