Home / 54,427.62-81,644.46-16,992.86

Finding the Fourth Proportional to 54,427.62, 81,644.46 and 16,992.86

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Solution

The fourth proportional to 54,427.62, 81,644.46 and 16,992.86 is: 25,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427.62 : 81,644.46 = 16,992.86 : x
  2. Step 2: Convert to fraction form
    54,427.62/81,644.46 = 16,992.86/x
  3. Step 3: Cross multiply
    54,427.62x = 81,644.46 × 16,992.86
  4. Step 4: Simplify right side
    54,427.62x = 1,387,372,840.22
  5. Step 5: Solve for x
    x = 1,387,372,840.22/54,427.62
  6. Step 6: Final answer
    x = 25,490.24

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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.