Home / 20,155.49-30,233.20-5,364.41

Finding the Fourth Proportional to 20,155.49, 30,233.20 and 5,364.41

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Solution

The fourth proportional to 20,155.49, 30,233.20 and 5,364.41 is: 8,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155.49 : 30,233.20 = 5,364.41 : x
  2. Step 2: Convert to fraction form
    20,155.49/30,233.20 = 5,364.41/x
  3. Step 3: Cross multiply
    20,155.49x = 30,233.20 × 5,364.41
  4. Step 4: Simplify right side
    20,155.49x = 162,183,280.41
  5. Step 5: Solve for x
    x = 162,183,280.41/20,155.49
  6. Step 6: Final answer
    x = 8,046.61

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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.