Home / 30,081.46-41,512.79-16,653.96

Finding the Fourth Proportional to 30,081.46, 41,512.79 and 16,653.96

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Solution

The fourth proportional to 30,081.46, 41,512.79 and 16,653.96 is: 22,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.46 : 41,512.79 = 16,653.96 : x
  2. Step 2: Convert to fraction form
    30,081.46/41,512.79 = 16,653.96/x
  3. Step 3: Cross multiply
    30,081.46x = 41,512.79 × 16,653.96
  4. Step 4: Simplify right side
    30,081.46x = 691,352,344.15
  5. Step 5: Solve for x
    x = 691,352,344.15/30,081.46
  6. Step 6: Final answer
    x = 22,982.67

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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.