Home / 36,389.29-54,591.62-11,431.86

Finding the Fourth Proportional to 36,389.29, 54,591.62 and 11,431.86

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Solution

The fourth proportional to 36,389.29, 54,591.62 and 11,431.86 is: 17,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,389.29 : 54,591.62 = 11,431.86 : x
  2. Step 2: Convert to fraction form
    36,389.29/54,591.62 = 11,431.86/x
  3. Step 3: Cross multiply
    36,389.29x = 54,591.62 × 11,431.86
  4. Step 4: Simplify right side
    36,389.29x = 624,083,712.98
  5. Step 5: Solve for x
    x = 624,083,712.98/36,389.29
  6. Step 6: Final answer
    x = 17,150.20

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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.