Home / 51,212.92-76,766.56-19,614.36

Finding the Fourth Proportional to 51,212.92, 76,766.56 and 19,614.36

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Solution

The fourth proportional to 51,212.92, 76,766.56 and 19,614.36 is: 29,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,212.92 : 76,766.56 = 19,614.36 : x
  2. Step 2: Convert to fraction form
    51,212.92/76,766.56 = 19,614.36/x
  3. Step 3: Cross multiply
    51,212.92x = 76,766.56 × 19,614.36
  4. Step 4: Simplify right side
    51,212.92x = 1,505,726,943.80
  5. Step 5: Solve for x
    x = 1,505,726,943.80/51,212.92
  6. Step 6: Final answer
    x = 29,401.31

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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.