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Finding the Fourth Proportional to 63,780.95, 95,673 and 30,504.53

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Solution

The fourth proportional to 63,780.95, 95,673 and 30,504.53 is: 45,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,780.95 : 95,673 = 30,504.53 : x
  2. Step 2: Convert to fraction form
    63,780.95/95,673 = 30,504.53/x
  3. Step 3: Cross multiply
    63,780.95x = 95,673 × 30,504.53
  4. Step 4: Simplify right side
    63,780.95x = 2,918,459,898.69
  5. Step 5: Solve for x
    x = 2,918,459,898.69/63,780.95
  6. Step 6: Final answer
    x = 45,757.55

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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.