Home / 36,331.26-54,499.32-14,143.20

Finding the Fourth Proportional to 36,331.26, 54,499.32 and 14,143.20

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Solution

The fourth proportional to 36,331.26, 54,499.32 and 14,143.20 is: 21,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.26 : 54,499.32 = 14,143.20 : x
  2. Step 2: Convert to fraction form
    36,331.26/54,499.32 = 14,143.20/x
  3. Step 3: Cross multiply
    36,331.26x = 54,499.32 × 14,143.20
  4. Step 4: Simplify right side
    36,331.26x = 770,794,782.62
  5. Step 5: Solve for x
    x = 770,794,782.62/36,331.26
  6. Step 6: Final answer
    x = 21,215.75

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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.