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Finding the Fourth Proportional to 36,359.36, 50,175.84 and 20,443.84

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Solution

The fourth proportional to 36,359.36, 50,175.84 and 20,443.84 is: 28,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,359.36 : 50,175.84 = 20,443.84 : x
  2. Step 2: Convert to fraction form
    36,359.36/50,175.84 = 20,443.84/x
  3. Step 3: Cross multiply
    36,359.36x = 50,175.84 × 20,443.84
  4. Step 4: Simplify right side
    36,359.36x = 1,025,786,844.83
  5. Step 5: Solve for x
    x = 1,025,786,844.83/36,359.36
  6. Step 6: Final answer
    x = 28,212.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.