Home / 38,174.99-52,678.82-21,179.90

Finding the Fourth Proportional to 38,174.99, 52,678.82 and 21,179.90

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Solution

The fourth proportional to 38,174.99, 52,678.82 and 21,179.90 is: 29,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.99 : 52,678.82 = 21,179.90 : x
  2. Step 2: Convert to fraction form
    38,174.99/52,678.82 = 21,179.90/x
  3. Step 3: Cross multiply
    38,174.99x = 52,678.82 × 21,179.90
  4. Step 4: Simplify right side
    38,174.99x = 1,115,732,324.36
  5. Step 5: Solve for x
    x = 1,115,732,324.36/38,174.99
  6. Step 6: Final answer
    x = 29,226.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.