Home / 51,578.56-71,181.42-28,916.44

Finding the Fourth Proportional to 51,578.56, 71,181.42 and 28,916.44

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Solution

The fourth proportional to 51,578.56, 71,181.42 and 28,916.44 is: 39,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.56 : 71,181.42 = 28,916.44 : x
  2. Step 2: Convert to fraction form
    51,578.56/71,181.42 = 28,916.44/x
  3. Step 3: Cross multiply
    51,578.56x = 71,181.42 × 28,916.44
  4. Step 4: Simplify right side
    51,578.56x = 2,058,313,260.54
  5. Step 5: Solve for x
    x = 2,058,313,260.54/51,578.56
  6. Step 6: Final answer
    x = 39,906.37

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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.