Home / 36,299.99-54,464.06-14,128.94

Finding the Fourth Proportional to 36,299.99, 54,464.06 and 14,128.94

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Solution

The fourth proportional to 36,299.99, 54,464.06 and 14,128.94 is: 21,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.99 : 54,464.06 = 14,128.94 : x
  2. Step 2: Convert to fraction form
    36,299.99/54,464.06 = 14,128.94/x
  3. Step 3: Cross multiply
    36,299.99x = 54,464.06 × 14,128.94
  4. Step 4: Simplify right side
    36,299.99x = 769,519,198.90
  5. Step 5: Solve for x
    x = 769,519,198.90/36,299.99
  6. Step 6: Final answer
    x = 21,198.88

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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.