Home / 36,309.48-54,450.18-14,119.86

Finding the Fourth Proportional to 36,309.48, 54,450.18 and 14,119.86

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Solution

The fourth proportional to 36,309.48, 54,450.18 and 14,119.86 is: 21,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,309.48 : 54,450.18 = 14,119.86 : x
  2. Step 2: Convert to fraction form
    36,309.48/54,450.18 = 14,119.86/x
  3. Step 3: Cross multiply
    36,309.48x = 54,450.18 × 14,119.86
  4. Step 4: Simplify right side
    36,309.48x = 768,828,918.57
  5. Step 5: Solve for x
    x = 768,828,918.57/36,309.48
  6. Step 6: Final answer
    x = 21,174.33

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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.