Home / 35,998.10-53,997.15-18,469.70

Finding the Fourth Proportional to 35,998.10, 53,997.15 and 18,469.70

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Solution

The fourth proportional to 35,998.10, 53,997.15 and 18,469.70 is: 27,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,998.10 : 53,997.15 = 18,469.70 : x
  2. Step 2: Convert to fraction form
    35,998.10/53,997.15 = 18,469.70/x
  3. Step 3: Cross multiply
    35,998.10x = 53,997.15 × 18,469.70
  4. Step 4: Simplify right side
    35,998.10x = 997,311,161.36
  5. Step 5: Solve for x
    x = 997,311,161.36/35,998.10
  6. Step 6: Final answer
    x = 27,704.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.