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Finding the Fourth Proportional to 36,004.70, 54,007.05 and 20,452.70

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Solution

The fourth proportional to 36,004.70, 54,007.05 and 20,452.70 is: 30,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,004.70 : 54,007.05 = 20,452.70 : x
  2. Step 2: Convert to fraction form
    36,004.70/54,007.05 = 20,452.70/x
  3. Step 3: Cross multiply
    36,004.70x = 54,007.05 × 20,452.70
  4. Step 4: Simplify right side
    36,004.70x = 1,104,589,991.54
  5. Step 5: Solve for x
    x = 1,104,589,991.54/36,004.70
  6. Step 6: Final answer
    x = 30,679.05

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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.