Home / 36,349.11-50,161.55-20,433.69

Finding the Fourth Proportional to 36,349.11, 50,161.55 and 20,433.69

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Solution

The fourth proportional to 36,349.11, 50,161.55 and 20,433.69 is: 28,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,349.11 : 50,161.55 = 20,433.69 : x
  2. Step 2: Convert to fraction form
    36,349.11/50,161.55 = 20,433.69/x
  3. Step 3: Cross multiply
    36,349.11x = 50,161.55 × 20,433.69
  4. Step 4: Simplify right side
    36,349.11x = 1,024,985,460.45
  5. Step 5: Solve for x
    x = 1,024,985,460.45/36,349.11
  6. Step 6: Final answer
    x = 28,198.36

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Half scale
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Double scale
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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.