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Finding the Fourth Proportional to 63,694.25, 95,530.70 and 19,310.39

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Solution

The fourth proportional to 63,694.25, 95,530.70 and 19,310.39 is: 28,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,694.25 : 95,530.70 = 19,310.39 : x
  2. Step 2: Convert to fraction form
    63,694.25/95,530.70 = 19,310.39/x
  3. Step 3: Cross multiply
    63,694.25x = 95,530.70 × 19,310.39
  4. Step 4: Simplify right side
    63,694.25x = 1,844,734,644.60
  5. Step 5: Solve for x
    x = 1,844,734,644.60/63,694.25
  6. Step 6: Final answer
    x = 28,962.34

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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.