Home / 54,394.62-81,573.45-18,847.64

Finding the Fourth Proportional to 54,394.62, 81,573.45 and 18,847.64

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Solution

The fourth proportional to 54,394.62, 81,573.45 and 18,847.64 is: 28,265.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.62 : 81,573.45 = 18,847.64 : x
  2. Step 2: Convert to fraction form
    54,394.62/81,573.45 = 18,847.64/x
  3. Step 3: Cross multiply
    54,394.62x = 81,573.45 × 18,847.64
  4. Step 4: Simplify right side
    54,394.62x = 1,537,467,019.16
  5. Step 5: Solve for x
    x = 1,537,467,019.16/54,394.62
  6. Step 6: Final answer
    x = 28,265.06

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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.