Home / 29,958.20-41,330.22-18,619.64

Finding the Fourth Proportional to 29,958.20, 41,330.22 and 18,619.64

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Solution

The fourth proportional to 29,958.20, 41,330.22 and 18,619.64 is: 25,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,958.20 : 41,330.22 = 18,619.64 : x
  2. Step 2: Convert to fraction form
    29,958.20/41,330.22 = 18,619.64/x
  3. Step 3: Cross multiply
    29,958.20x = 41,330.22 × 18,619.64
  4. Step 4: Simplify right side
    29,958.20x = 769,553,817.52
  5. Step 5: Solve for x
    x = 769,553,817.52/29,958.20
  6. Step 6: Final answer
    x = 25,687.59

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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.