Home / 29,134.88-40,199.25-21,163.26

Finding the Fourth Proportional to 29,134.88, 40,199.25 and 21,163.26

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Solution

The fourth proportional to 29,134.88, 40,199.25 and 21,163.26 is: 29,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,134.88 : 40,199.25 = 21,163.26 : x
  2. Step 2: Convert to fraction form
    29,134.88/40,199.25 = 21,163.26/x
  3. Step 3: Cross multiply
    29,134.88x = 40,199.25 × 21,163.26
  4. Step 4: Simplify right side
    29,134.88x = 850,747,179.56
  5. Step 5: Solve for x
    x = 850,747,179.56/29,134.88
  6. Step 6: Final answer
    x = 29,200.30

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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.