Home / 34,318.04-51,481.22-12,126.87

Finding the Fourth Proportional to 34,318.04, 51,481.22 and 12,126.87

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Solution

The fourth proportional to 34,318.04, 51,481.22 and 12,126.87 is: 18,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,318.04 : 51,481.22 = 12,126.87 : x
  2. Step 2: Convert to fraction form
    34,318.04/51,481.22 = 12,126.87/x
  3. Step 3: Cross multiply
    34,318.04x = 51,481.22 × 12,126.87
  4. Step 4: Simplify right side
    34,318.04x = 624,306,062.38
  5. Step 5: Solve for x
    x = 624,306,062.38/34,318.04
  6. Step 6: Final answer
    x = 18,191.78

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1.5x scale

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.