Home / 54,857.49-82,236.96-19,788.95

Finding the Fourth Proportional to 54,857.49, 82,236.96 and 19,788.95

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Solution

The fourth proportional to 54,857.49, 82,236.96 and 19,788.95 is: 29,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.49 : 82,236.96 = 19,788.95 : x
  2. Step 2: Convert to fraction form
    54,857.49/82,236.96 = 19,788.95/x
  3. Step 3: Cross multiply
    54,857.49x = 82,236.96 × 19,788.95
  4. Step 4: Simplify right side
    54,857.49x = 1,627,382,678.41
  5. Step 5: Solve for x
    x = 1,627,382,678.41/54,857.49
  6. Step 6: Final answer
    x = 29,665.64

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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.