Home / 36,388.28-50,212.25-20,472.39

Finding the Fourth Proportional to 36,388.28, 50,212.25 and 20,472.39

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Solution

The fourth proportional to 36,388.28, 50,212.25 and 20,472.39 is: 28,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,388.28 : 50,212.25 = 20,472.39 : x
  2. Step 2: Convert to fraction form
    36,388.28/50,212.25 = 20,472.39/x
  3. Step 3: Cross multiply
    36,388.28x = 50,212.25 × 20,472.39
  4. Step 4: Simplify right side
    36,388.28x = 1,027,964,662.42
  5. Step 5: Solve for x
    x = 1,027,964,662.42/36,388.28
  6. Step 6: Final answer
    x = 28,249.89

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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.