Home / 34,912.56-52,351.68-12,415.68

Finding the Fourth Proportional to 34,912.56, 52,351.68 and 12,415.68

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Solution

The fourth proportional to 34,912.56, 52,351.68 and 12,415.68 is: 18,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,912.56 : 52,351.68 = 12,415.68 : x
  2. Step 2: Convert to fraction form
    34,912.56/52,351.68 = 12,415.68/x
  3. Step 3: Cross multiply
    34,912.56x = 52,351.68 × 12,415.68
  4. Step 4: Simplify right side
    34,912.56x = 649,981,706.34
  5. Step 5: Solve for x
    x = 649,981,706.34/34,912.56
  6. Step 6: Final answer
    x = 18,617.42

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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.