Home / 36,771.45-55,165.37-13,397.88

Finding the Fourth Proportional to 36,771.45, 55,165.37 and 13,397.88

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Solution

The fourth proportional to 36,771.45, 55,165.37 and 13,397.88 is: 20,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.45 : 55,165.37 = 13,397.88 : x
  2. Step 2: Convert to fraction form
    36,771.45/55,165.37 = 13,397.88/x
  3. Step 3: Cross multiply
    36,771.45x = 55,165.37 × 13,397.88
  4. Step 4: Simplify right side
    36,771.45x = 739,099,007.42
  5. Step 5: Solve for x
    x = 739,099,007.42/36,771.45
  6. Step 6: Final answer
    x = 20,099.81

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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.