Home / 54,408.36-81,612.54-17,498.28

Finding the Fourth Proportional to 54,408.36, 81,612.54 and 17,498.28

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Solution

The fourth proportional to 54,408.36, 81,612.54 and 17,498.28 is: 26,247.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,408.36 : 81,612.54 = 17,498.28 : x
  2. Step 2: Convert to fraction form
    54,408.36/81,612.54 = 17,498.28/x
  3. Step 3: Cross multiply
    54,408.36x = 81,612.54 × 17,498.28
  4. Step 4: Simplify right side
    54,408.36x = 1,428,079,076.43
  5. Step 5: Solve for x
    x = 1,428,079,076.43/54,408.36
  6. Step 6: Final answer
    x = 26,247.42

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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.