Home / 54,842.38-82,264-13,289.38

Finding the Fourth Proportional to 54,842.38, 82,264 and 13,289.38

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Solution

The fourth proportional to 54,842.38, 82,264 and 13,289.38 is: 19,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,842.38 : 82,264 = 13,289.38 : x
  2. Step 2: Convert to fraction form
    54,842.38/82,264 = 13,289.38/x
  3. Step 3: Cross multiply
    54,842.38x = 82,264 × 13,289.38
  4. Step 4: Simplify right side
    54,842.38x = 1,093,237,556.32
  5. Step 5: Solve for x
    x = 1,093,237,556.32/54,842.38
  6. Step 6: Final answer
    x = 19,934.17

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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.