Home / 36,771.21-55,169.78-13,400.01

Finding the Fourth Proportional to 36,771.21, 55,169.78 and 13,400.01

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Solution

The fourth proportional to 36,771.21, 55,169.78 and 13,400.01 is: 20,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.21 : 55,169.78 = 13,400.01 : x
  2. Step 2: Convert to fraction form
    36,771.21/55,169.78 = 13,400.01/x
  3. Step 3: Cross multiply
    36,771.21x = 55,169.78 × 13,400.01
  4. Step 4: Simplify right side
    36,771.21x = 739,275,536.70
  5. Step 5: Solve for x
    x = 739,275,536.70/36,771.21
  6. Step 6: Final answer
    x = 20,104.74

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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.