Home / 36,317.17-50,115-20,404.27

Finding the Fourth Proportional to 36,317.17, 50,115 and 20,404.27

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Solution

The fourth proportional to 36,317.17, 50,115 and 20,404.27 is: 28,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.17 : 50,115 = 20,404.27 : x
  2. Step 2: Convert to fraction form
    36,317.17/50,115 = 20,404.27/x
  3. Step 3: Cross multiply
    36,317.17x = 50,115 × 20,404.27
  4. Step 4: Simplify right side
    36,317.17x = 1,022,559,991.05
  5. Step 5: Solve for x
    x = 1,022,559,991.05/36,317.17
  6. Step 6: Final answer
    x = 28,156.38

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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.