Home / 36,022.70-54,007.05-18,505.10

Finding the Fourth Proportional to 36,022.70, 54,007.05 and 18,505.10

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Solution

The fourth proportional to 36,022.70, 54,007.05 and 18,505.10 is: 27,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.70 : 54,007.05 = 18,505.10 : x
  2. Step 2: Convert to fraction form
    36,022.70/54,007.05 = 18,505.10/x
  3. Step 3: Cross multiply
    36,022.70x = 54,007.05 × 18,505.10
  4. Step 4: Simplify right side
    36,022.70x = 999,405,860.96
  5. Step 5: Solve for x
    x = 999,405,860.96/36,022.70
  6. Step 6: Final answer
    x = 27,743.78

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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.