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Finding the Fourth Proportional to 49,140.50, 73,711.26 and 12,204.50

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Solution

The fourth proportional to 49,140.50, 73,711.26 and 12,204.50 is: 18,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,140.50 : 73,711.26 = 12,204.50 : x
  2. Step 2: Convert to fraction form
    49,140.50/73,711.26 = 12,204.50/x
  3. Step 3: Cross multiply
    49,140.50x = 73,711.26 × 12,204.50
  4. Step 4: Simplify right side
    49,140.50x = 899,609,072.67
  5. Step 5: Solve for x
    x = 899,609,072.67/49,140.50
  6. Step 6: Final answer
    x = 18,306.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.