Home / 34,253.54-51,251.11-20,221.20

Finding the Fourth Proportional to 34,253.54, 51,251.11 and 20,221.20

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Solution

The fourth proportional to 34,253.54, 51,251.11 and 20,221.20 is: 30,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,253.54 : 51,251.11 = 20,221.20 : x
  2. Step 2: Convert to fraction form
    34,253.54/51,251.11 = 20,221.20/x
  3. Step 3: Cross multiply
    34,253.54x = 51,251.11 × 20,221.20
  4. Step 4: Simplify right side
    34,253.54x = 1,036,359,008.72
  5. Step 5: Solve for x
    x = 1,036,359,008.72/34,253.54
  6. Step 6: Final answer
    x = 30,255.53

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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.