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Finding the Fourth Proportional to 34,809.39, 52,214.09 and 8,513.82

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Solution

The fourth proportional to 34,809.39, 52,214.09 and 8,513.82 is: 12,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.39 : 52,214.09 = 8,513.82 : x
  2. Step 2: Convert to fraction form
    34,809.39/52,214.09 = 8,513.82/x
  3. Step 3: Cross multiply
    34,809.39x = 52,214.09 × 8,513.82
  4. Step 4: Simplify right side
    34,809.39x = 444,541,321.15
  5. Step 5: Solve for x
    x = 444,541,321.15/34,809.39
  6. Step 6: Final answer
    x = 12,770.73

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Similar ratio
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1.5x scale

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.