Home / 33,084.92-45,661.16-18,942.32

Finding the Fourth Proportional to 33,084.92, 45,661.16 and 18,942.32

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Solution

The fourth proportional to 33,084.92, 45,661.16 and 18,942.32 is: 26,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,084.92 : 45,661.16 = 18,942.32 : x
  2. Step 2: Convert to fraction form
    33,084.92/45,661.16 = 18,942.32/x
  3. Step 3: Cross multiply
    33,084.92x = 45,661.16 × 18,942.32
  4. Step 4: Simplify right side
    33,084.92x = 864,928,304.29
  5. Step 5: Solve for x
    x = 864,928,304.29/33,084.92
  6. Step 6: Final answer
    x = 26,142.67

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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.