Home / 54,490.96-81,736.70-16,540.55

Finding the Fourth Proportional to 54,490.96, 81,736.70 and 16,540.55

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Solution

The fourth proportional to 54,490.96, 81,736.70 and 16,540.55 is: 24,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.96 : 81,736.70 = 16,540.55 : x
  2. Step 2: Convert to fraction form
    54,490.96/81,736.70 = 16,540.55/x
  3. Step 3: Cross multiply
    54,490.96x = 81,736.70 × 16,540.55
  4. Step 4: Simplify right side
    54,490.96x = 1,351,970,387.64
  5. Step 5: Solve for x
    x = 1,351,970,387.64/54,490.96
  6. Step 6: Final answer
    x = 24,810.91

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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.