Home / 36,109.29-54,144.09-11,142.53

Finding the Fourth Proportional to 36,109.29, 54,144.09 and 11,142.53

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Solution

The fourth proportional to 36,109.29, 54,144.09 and 11,142.53 is: 16,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.29 : 54,144.09 = 11,142.53 : x
  2. Step 2: Convert to fraction form
    36,109.29/54,144.09 = 11,142.53/x
  3. Step 3: Cross multiply
    36,109.29x = 54,144.09 × 11,142.53
  4. Step 4: Simplify right side
    36,109.29x = 603,302,147.15
  5. Step 5: Solve for x
    x = 603,302,147.15/36,109.29
  6. Step 6: Final answer
    x = 16,707.67

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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.