Home / 36,601.20-54,901.68-11,977.20

Finding the Fourth Proportional to 36,601.20, 54,901.68 and 11,977.20

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Solution

The fourth proportional to 36,601.20, 54,901.68 and 11,977.20 is: 17,965.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,601.20 : 54,901.68 = 11,977.20 : x
  2. Step 2: Convert to fraction form
    36,601.20/54,901.68 = 11,977.20/x
  3. Step 3: Cross multiply
    36,601.20x = 54,901.68 × 11,977.20
  4. Step 4: Simplify right side
    36,601.20x = 657,568,401.70
  5. Step 5: Solve for x
    x = 657,568,401.70/36,601.20
  6. Step 6: Final answer
    x = 17,965.76

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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.