Home / 36,223.16-54,321.44-12,524.64

Finding the Fourth Proportional to 36,223.16, 54,321.44 and 12,524.64

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Solution

The fourth proportional to 36,223.16, 54,321.44 and 12,524.64 is: 18,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,223.16 : 54,321.44 = 12,524.64 : x
  2. Step 2: Convert to fraction form
    36,223.16/54,321.44 = 12,524.64/x
  3. Step 3: Cross multiply
    36,223.16x = 54,321.44 × 12,524.64
  4. Step 4: Simplify right side
    36,223.16x = 680,356,480.28
  5. Step 5: Solve for x
    x = 680,356,480.28/36,223.16
  6. Step 6: Final answer
    x = 18,782.36

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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.