Home / 39,456.99-59,186.09-11,379.56

Finding the Fourth Proportional to 39,456.99, 59,186.09 and 11,379.56

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Solution

The fourth proportional to 39,456.99, 59,186.09 and 11,379.56 is: 17,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.99 : 59,186.09 = 11,379.56 : x
  2. Step 2: Convert to fraction form
    39,456.99/59,186.09 = 11,379.56/x
  3. Step 3: Cross multiply
    39,456.99x = 59,186.09 × 11,379.56
  4. Step 4: Simplify right side
    39,456.99x = 673,511,394.84
  5. Step 5: Solve for x
    x = 673,511,394.84/39,456.99
  6. Step 6: Final answer
    x = 17,069.51

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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.