Home / 54,890.49-82,286.52-19,821.95

Finding the Fourth Proportional to 54,890.49, 82,286.52 and 19,821.95

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Solution

The fourth proportional to 54,890.49, 82,286.52 and 19,821.95 is: 29,715.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.49 : 82,286.52 = 19,821.95 : x
  2. Step 2: Convert to fraction form
    54,890.49/82,286.52 = 19,821.95/x
  3. Step 3: Cross multiply
    54,890.49x = 82,286.52 × 19,821.95
  4. Step 4: Simplify right side
    54,890.49x = 1,631,078,873.68
  5. Step 5: Solve for x
    x = 1,631,078,873.68/54,890.49
  6. Step 6: Final answer
    x = 29,715.15

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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.