Home / 54,612.44-81,938.34-19,078.97

Finding the Fourth Proportional to 54,612.44, 81,938.34 and 19,078.97

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Solution

The fourth proportional to 54,612.44, 81,938.34 and 19,078.97 is: 28,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,612.44 : 81,938.34 = 19,078.97 : x
  2. Step 2: Convert to fraction form
    54,612.44/81,938.34 = 19,078.97/x
  3. Step 3: Cross multiply
    54,612.44x = 81,938.34 × 19,078.97
  4. Step 4: Simplify right side
    54,612.44x = 1,563,298,721.02
  5. Step 5: Solve for x
    x = 1,563,298,721.02/54,612.44
  6. Step 6: Final answer
    x = 28,625.33

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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.