Home / 54,202.41-81,286.74-19,133.82

Finding the Fourth Proportional to 54,202.41, 81,286.74 and 19,133.82

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Solution

The fourth proportional to 54,202.41, 81,286.74 and 19,133.82 is: 28,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,202.41 : 81,286.74 = 19,133.82 : x
  2. Step 2: Convert to fraction form
    54,202.41/81,286.74 = 19,133.82/x
  3. Step 3: Cross multiply
    54,202.41x = 81,286.74 × 19,133.82
  4. Step 4: Simplify right side
    54,202.41x = 1,555,325,851.55
  5. Step 5: Solve for x
    x = 1,555,325,851.55/54,202.41
  6. Step 6: Final answer
    x = 28,694.77

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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.