Home / 29,660.60-40,931.24-16,231.70

Finding the Fourth Proportional to 29,660.60, 40,931.24 and 16,231.70

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Solution

The fourth proportional to 29,660.60, 40,931.24 and 16,231.70 is: 22,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.60 : 40,931.24 = 16,231.70 : x
  2. Step 2: Convert to fraction form
    29,660.60/40,931.24 = 16,231.70/x
  3. Step 3: Cross multiply
    29,660.60x = 40,931.24 × 16,231.70
  4. Step 4: Simplify right side
    29,660.60x = 664,383,608.31
  5. Step 5: Solve for x
    x = 664,383,608.31/29,660.60
  6. Step 6: Final answer
    x = 22,399.53

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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.