Home / 54,067.09-81,118.01-25,989.18

Finding the Fourth Proportional to 54,067.09, 81,118.01 and 25,989.18

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Solution

The fourth proportional to 54,067.09, 81,118.01 and 25,989.18 is: 38,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,067.09 : 81,118.01 = 25,989.18 : x
  2. Step 2: Convert to fraction form
    54,067.09/81,118.01 = 25,989.18/x
  3. Step 3: Cross multiply
    54,067.09x = 81,118.01 × 25,989.18
  4. Step 4: Simplify right side
    54,067.09x = 2,108,190,027.60
  5. Step 5: Solve for x
    x = 2,108,190,027.60/54,067.09
  6. Step 6: Final answer
    x = 38,992.12

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1.5x scale

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.