Home / 30,049.37-41,480.89-18,724.46

Finding the Fourth Proportional to 30,049.37, 41,480.89 and 18,724.46

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Solution

The fourth proportional to 30,049.37, 41,480.89 and 18,724.46 is: 25,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.37 : 41,480.89 = 18,724.46 : x
  2. Step 2: Convert to fraction form
    30,049.37/41,480.89 = 18,724.46/x
  3. Step 3: Cross multiply
    30,049.37x = 41,480.89 × 18,724.46
  4. Step 4: Simplify right side
    30,049.37x = 776,707,265.57
  5. Step 5: Solve for x
    x = 776,707,265.57/30,049.37
  6. Step 6: Final answer
    x = 25,847.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.