Home / 54,521.27-81,781.35-18,982.52

Finding the Fourth Proportional to 54,521.27, 81,781.35 and 18,982.52

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Solution

The fourth proportional to 54,521.27, 81,781.35 and 18,982.52 is: 28,473.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521.27 : 81,781.35 = 18,982.52 : x
  2. Step 2: Convert to fraction form
    54,521.27/81,781.35 = 18,982.52/x
  3. Step 3: Cross multiply
    54,521.27x = 81,781.35 × 18,982.52
  4. Step 4: Simplify right side
    54,521.27x = 1,552,415,938.59
  5. Step 5: Solve for x
    x = 1,552,415,938.59/54,521.27
  6. Step 6: Final answer
    x = 28,473.58

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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.