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Finding the Fourth Proportional to 63,287.30, 94,935.82 and 18,910.64

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Solution

The fourth proportional to 63,287.30, 94,935.82 and 18,910.64 is: 28,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,287.30 : 94,935.82 = 18,910.64 : x
  2. Step 2: Convert to fraction form
    63,287.30/94,935.82 = 18,910.64/x
  3. Step 3: Cross multiply
    63,287.30x = 94,935.82 × 18,910.64
  4. Step 4: Simplify right side
    63,287.30x = 1,795,297,115.12
  5. Step 5: Solve for x
    x = 1,795,297,115.12/63,287.30
  6. Step 6: Final answer
    x = 28,367.42

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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.