Home / 36,139.14-54,241.11-30,252.87

Finding the Fourth Proportional to 36,139.14, 54,241.11 and 30,252.87

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Solution

The fourth proportional to 36,139.14, 54,241.11 and 30,252.87 is: 45,406.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,139.14 : 54,241.11 = 30,252.87 : x
  2. Step 2: Convert to fraction form
    36,139.14/54,241.11 = 30,252.87/x
  3. Step 3: Cross multiply
    36,139.14x = 54,241.11 × 30,252.87
  4. Step 4: Simplify right side
    36,139.14x = 1,640,949,249.49
  5. Step 5: Solve for x
    x = 1,640,949,249.49/36,139.14
  6. Step 6: Final answer
    x = 45,406.43

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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.