Home / 36,318.78-50,124.96-20,404.44

Finding the Fourth Proportional to 36,318.78, 50,124.96 and 20,404.44

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Solution

The fourth proportional to 36,318.78, 50,124.96 and 20,404.44 is: 28,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.78 : 50,124.96 = 20,404.44 : x
  2. Step 2: Convert to fraction form
    36,318.78/50,124.96 = 20,404.44/x
  3. Step 3: Cross multiply
    36,318.78x = 50,124.96 × 20,404.44
  4. Step 4: Simplify right side
    36,318.78x = 1,022,771,738.82
  5. Step 5: Solve for x
    x = 1,022,771,738.82/36,318.78
  6. Step 6: Final answer
    x = 28,160.96

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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.