Home / 55,086.72-82,597.20-21,811.44

Finding the Fourth Proportional to 55,086.72, 82,597.20 and 21,811.44

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Solution

The fourth proportional to 55,086.72, 82,597.20 and 21,811.44 is: 32,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086.72 : 82,597.20 = 21,811.44 : x
  2. Step 2: Convert to fraction form
    55,086.72/82,597.20 = 21,811.44/x
  3. Step 3: Cross multiply
    55,086.72x = 82,597.20 × 21,811.44
  4. Step 4: Simplify right side
    55,086.72x = 1,801,563,871.97
  5. Step 5: Solve for x
    x = 1,801,563,871.97/55,086.72
  6. Step 6: Final answer
    x = 32,704.14

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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.