Home / 36,687.44-55,014.32-11,721.96

Finding the Fourth Proportional to 36,687.44, 55,014.32 and 11,721.96

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Solution

The fourth proportional to 36,687.44, 55,014.32 and 11,721.96 is: 17,577.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687.44 : 55,014.32 = 11,721.96 : x
  2. Step 2: Convert to fraction form
    36,687.44/55,014.32 = 11,721.96/x
  3. Step 3: Cross multiply
    36,687.44x = 55,014.32 × 11,721.96
  4. Step 4: Simplify right side
    36,687.44x = 644,875,658.47
  5. Step 5: Solve for x
    x = 644,875,658.47/36,687.44
  6. Step 6: Final answer
    x = 17,577.56

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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.