Home / 36,747.96-55,118.96-11,781.30

Finding the Fourth Proportional to 36,747.96, 55,118.96 and 11,781.30

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Solution

The fourth proportional to 36,747.96, 55,118.96 and 11,781.30 is: 17,670.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.96 : 55,118.96 = 11,781.30 : x
  2. Step 2: Convert to fraction form
    36,747.96/55,118.96 = 11,781.30/x
  3. Step 3: Cross multiply
    36,747.96x = 55,118.96 × 11,781.30
  4. Step 4: Simplify right side
    36,747.96x = 649,373,003.45
  5. Step 5: Solve for x
    x = 649,373,003.45/36,747.96
  6. Step 6: Final answer
    x = 17,670.99

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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.