Home / 36,179.26-54,275.04-12,480.37

Finding the Fourth Proportional to 36,179.26, 54,275.04 and 12,480.37

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Solution

The fourth proportional to 36,179.26, 54,275.04 and 12,480.37 is: 18,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.26 : 54,275.04 = 12,480.37 : x
  2. Step 2: Convert to fraction form
    36,179.26/54,275.04 = 12,480.37/x
  3. Step 3: Cross multiply
    36,179.26x = 54,275.04 × 12,480.37
  4. Step 4: Simplify right side
    36,179.26x = 677,372,445.28
  5. Step 5: Solve for x
    x = 677,372,445.28/36,179.26
  6. Step 6: Final answer
    x = 18,722.67

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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.