Home / 20,151.49-30,227.20-5,360.41

Finding the Fourth Proportional to 20,151.49, 30,227.20 and 5,360.41

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Solution

The fourth proportional to 20,151.49, 30,227.20 and 5,360.41 is: 8,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151.49 : 30,227.20 = 5,360.41 : x
  2. Step 2: Convert to fraction form
    20,151.49/30,227.20 = 5,360.41/x
  3. Step 3: Cross multiply
    20,151.49x = 30,227.20 × 5,360.41
  4. Step 4: Simplify right side
    20,151.49x = 162,030,185.15
  5. Step 5: Solve for x
    x = 162,030,185.15/20,151.49
  6. Step 6: Final answer
    x = 8,040.61

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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.