Home / 54,231.88-81,333.24-19,162.12

Finding the Fourth Proportional to 54,231.88, 81,333.24 and 19,162.12

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Solution

The fourth proportional to 54,231.88, 81,333.24 and 19,162.12 is: 28,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.88 : 81,333.24 = 19,162.12 : x
  2. Step 2: Convert to fraction form
    54,231.88/81,333.24 = 19,162.12/x
  3. Step 3: Cross multiply
    54,231.88x = 81,333.24 × 19,162.12
  4. Step 4: Simplify right side
    54,231.88x = 1,558,517,304.87
  5. Step 5: Solve for x
    x = 1,558,517,304.87/54,231.88
  6. Step 6: Final answer
    x = 28,738.03

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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.