Home / 36,519.12-50,380.38-21,404.12

Finding the Fourth Proportional to 36,519.12, 50,380.38 and 21,404.12

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Solution

The fourth proportional to 36,519.12, 50,380.38 and 21,404.12 is: 29,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.12 : 50,380.38 = 21,404.12 : x
  2. Step 2: Convert to fraction form
    36,519.12/50,380.38 = 21,404.12/x
  3. Step 3: Cross multiply
    36,519.12x = 50,380.38 × 21,404.12
  4. Step 4: Simplify right side
    36,519.12x = 1,078,347,447.26
  5. Step 5: Solve for x
    x = 1,078,347,447.26/36,519.12
  6. Step 6: Final answer
    x = 29,528.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.