Home / 20,225.88-30,338.70-5,433.54

Finding the Fourth Proportional to 20,225.88, 30,338.70 and 5,433.54

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Solution

The fourth proportional to 20,225.88, 30,338.70 and 5,433.54 is: 8,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.88 : 30,338.70 = 5,433.54 : x
  2. Step 2: Convert to fraction form
    20,225.88/30,338.70 = 5,433.54/x
  3. Step 3: Cross multiply
    20,225.88x = 30,338.70 × 5,433.54
  4. Step 4: Simplify right side
    20,225.88x = 164,846,540.00
  5. Step 5: Solve for x
    x = 164,846,540.00/20,225.88
  6. Step 6: Final answer
    x = 8,150.28

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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.