Home / 51,794.92-71,456.75-29,128.71

Finding the Fourth Proportional to 51,794.92, 71,456.75 and 29,128.71

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Solution

The fourth proportional to 51,794.92, 71,456.75 and 29,128.71 is: 40,186.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,794.92 : 71,456.75 = 29,128.71 : x
  2. Step 2: Convert to fraction form
    51,794.92/71,456.75 = 29,128.71/x
  3. Step 3: Cross multiply
    51,794.92x = 71,456.75 × 29,128.71
  4. Step 4: Simplify right side
    51,794.92x = 2,081,443,241.29
  5. Step 5: Solve for x
    x = 2,081,443,241.29/51,794.92
  6. Step 6: Final answer
    x = 40,186.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.