Home / 71,771.24-107,662.36-21,855.58

Finding the Fourth Proportional to 71,771.24, 107,662.36 and 21,855.58

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Solution

The fourth proportional to 71,771.24, 107,662.36 and 21,855.58 is: 32,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,771.24 : 107,662.36 = 21,855.58 : x
  2. Step 2: Convert to fraction form
    71,771.24/107,662.36 = 21,855.58/x
  3. Step 3: Cross multiply
    71,771.24x = 107,662.36 × 21,855.58
  4. Step 4: Simplify right side
    71,771.24x = 2,353,023,321.97
  5. Step 5: Solve for x
    x = 2,353,023,321.97/71,771.24
  6. Step 6: Final answer
    x = 32,785.04

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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.