Home / 36,309.89-54,416.38-19,408.25

Finding the Fourth Proportional to 36,309.89, 54,416.38 and 19,408.25

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Solution

The fourth proportional to 36,309.89, 54,416.38 and 19,408.25 is: 29,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.89 : 54,416.38 = 19,408.25 : x
  2. Step 2: Convert to fraction form
    36,309.89/54,416.38 = 19,408.25/x
  3. Step 3: Cross multiply
    36,309.89x = 54,416.38 × 19,408.25
  4. Step 4: Simplify right side
    36,309.89x = 1,056,126,707.14
  5. Step 5: Solve for x
    x = 1,056,126,707.14/36,309.89
  6. Step 6: Final answer
    x = 29,086.47

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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.