Home / 34,318.92-51,490.53-12,126.54

Finding the Fourth Proportional to 34,318.92, 51,490.53 and 12,126.54

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Solution

The fourth proportional to 34,318.92, 51,490.53 and 12,126.54 is: 18,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,318.92 : 51,490.53 = 12,126.54 : x
  2. Step 2: Convert to fraction form
    34,318.92/51,490.53 = 12,126.54/x
  3. Step 3: Cross multiply
    34,318.92x = 51,490.53 × 12,126.54
  4. Step 4: Simplify right side
    34,318.92x = 624,401,971.67
  5. Step 5: Solve for x
    x = 624,401,971.67/34,318.92
  6. Step 6: Final answer
    x = 18,194.10

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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.