Home / 36,771.59-55,170.34-13,400.39

Finding the Fourth Proportional to 36,771.59, 55,170.34 and 13,400.39

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Solution

The fourth proportional to 36,771.59, 55,170.34 and 13,400.39 is: 20,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.59 : 55,170.34 = 13,400.39 : x
  2. Step 2: Convert to fraction form
    36,771.59/55,170.34 = 13,400.39/x
  3. Step 3: Cross multiply
    36,771.59x = 55,170.34 × 13,400.39
  4. Step 4: Simplify right side
    36,771.59x = 739,303,763.08
  5. Step 5: Solve for x
    x = 739,303,763.08/36,771.59
  6. Step 6: Final answer
    x = 20,105.30

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1.5x scale

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.