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Finding the Fourth Proportional to 63,659.90, 95,359.84 and 30,279

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Solution

The fourth proportional to 63,659.90, 95,359.84 and 30,279 is: 45,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,659.90 : 95,359.84 = 30,279 : x
  2. Step 2: Convert to fraction form
    63,659.90/95,359.84 = 30,279/x
  3. Step 3: Cross multiply
    63,659.90x = 95,359.84 × 30,279
  4. Step 4: Simplify right side
    63,659.90x = 2,887,400,595.36
  5. Step 5: Solve for x
    x = 2,887,400,595.36/63,659.90
  6. Step 6: Final answer
    x = 45,356.66

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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.