Home / 36,678.61-54,997.26-11,712.79

Finding the Fourth Proportional to 36,678.61, 54,997.26 and 11,712.79

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Solution

The fourth proportional to 36,678.61, 54,997.26 and 11,712.79 is: 17,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.61 : 54,997.26 = 11,712.79 : x
  2. Step 2: Convert to fraction form
    36,678.61/54,997.26 = 11,712.79/x
  3. Step 3: Cross multiply
    36,678.61x = 54,997.26 × 11,712.79
  4. Step 4: Simplify right side
    36,678.61x = 644,171,356.96
  5. Step 5: Solve for x
    x = 644,171,356.96/36,678.61
  6. Step 6: Final answer
    x = 17,562.59

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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.