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Finding the Fourth Proportional to 63,939.60, 95,952.60 and 35,859.60

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Solution

The fourth proportional to 63,939.60, 95,952.60 and 35,859.60 is: 53,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.60 : 95,952.60 = 35,859.60 : x
  2. Step 2: Convert to fraction form
    63,939.60/95,952.60 = 35,859.60/x
  3. Step 3: Cross multiply
    63,939.60x = 95,952.60 × 35,859.60
  4. Step 4: Simplify right side
    63,939.60x = 3,440,821,854.96
  5. Step 5: Solve for x
    x = 3,440,821,854.96/63,939.60
  6. Step 6: Final answer
    x = 53,813.63

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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.