Home / 54,394.77-81,514.38-30,972.81

Finding the Fourth Proportional to 54,394.77, 81,514.38 and 30,972.81

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Solution

The fourth proportional to 54,394.77, 81,514.38 and 30,972.81 is: 46,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.77 : 81,514.38 = 30,972.81 : x
  2. Step 2: Convert to fraction form
    54,394.77/81,514.38 = 30,972.81/x
  3. Step 3: Cross multiply
    54,394.77x = 81,514.38 × 30,972.81
  4. Step 4: Simplify right side
    54,394.77x = 2,524,729,404.01
  5. Step 5: Solve for x
    x = 2,524,729,404.01/54,394.77
  6. Step 6: Final answer
    x = 46,414.93

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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.