Home / 54,979.24-82,468.94-19,910.68

Finding the Fourth Proportional to 54,979.24, 82,468.94 and 19,910.68

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Solution

The fourth proportional to 54,979.24, 82,468.94 and 19,910.68 is: 29,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.24 : 82,468.94 = 19,910.68 : x
  2. Step 2: Convert to fraction form
    54,979.24/82,468.94 = 19,910.68/x
  3. Step 3: Cross multiply
    54,979.24x = 82,468.94 × 19,910.68
  4. Step 4: Simplify right side
    54,979.24x = 1,642,012,674.28
  5. Step 5: Solve for x
    x = 1,642,012,674.28/54,979.24
  6. Step 6: Final answer
    x = 29,866.05

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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.