Home / 54,398.16-81,520.62-43,255.38

Finding the Fourth Proportional to 54,398.16, 81,520.62 and 43,255.38

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Solution

The fourth proportional to 54,398.16, 81,520.62 and 43,255.38 is: 64,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,398.16 : 81,520.62 = 43,255.38 : x
  2. Step 2: Convert to fraction form
    54,398.16/81,520.62 = 43,255.38/x
  3. Step 3: Cross multiply
    54,398.16x = 81,520.62 × 43,255.38
  4. Step 4: Simplify right side
    54,398.16x = 3,526,205,395.94
  5. Step 5: Solve for x
    x = 3,526,205,395.94/54,398.16
  6. Step 6: Final answer
    x = 64,822.14

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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.