Home / 51,061.65-76,545.78-21,481.57

Finding the Fourth Proportional to 51,061.65, 76,545.78 and 21,481.57

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Solution

The fourth proportional to 51,061.65, 76,545.78 and 21,481.57 is: 32,202.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,061.65 : 76,545.78 = 21,481.57 : x
  2. Step 2: Convert to fraction form
    51,061.65/76,545.78 = 21,481.57/x
  3. Step 3: Cross multiply
    51,061.65x = 76,545.78 × 21,481.57
  4. Step 4: Simplify right side
    51,061.65x = 1,644,323,531.27
  5. Step 5: Solve for x
    x = 1,644,323,531.27/51,061.65
  6. Step 6: Final answer
    x = 32,202.71

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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.