Home / 36,319.22-50,123.22-20,404.62

Finding the Fourth Proportional to 36,319.22, 50,123.22 and 20,404.62

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Solution

The fourth proportional to 36,319.22, 50,123.22 and 20,404.62 is: 28,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,319.22 : 50,123.22 = 20,404.62 : x
  2. Step 2: Convert to fraction form
    36,319.22/50,123.22 = 20,404.62/x
  3. Step 3: Cross multiply
    36,319.22x = 50,123.22 × 20,404.62
  4. Step 4: Simplify right side
    36,319.22x = 1,022,745,257.28
  5. Step 5: Solve for x
    x = 1,022,745,257.28/36,319.22
  6. Step 6: Final answer
    x = 28,159.89

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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.