Home / 30,786.78-46,091.61-27,581.34

Finding the Fourth Proportional to 30,786.78, 46,091.61 and 27,581.34

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Solution

The fourth proportional to 30,786.78, 46,091.61 and 27,581.34 is: 41,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.78 : 46,091.61 = 27,581.34 : x
  2. Step 2: Convert to fraction form
    30,786.78/46,091.61 = 27,581.34/x
  3. Step 3: Cross multiply
    30,786.78x = 46,091.61 × 27,581.34
  4. Step 4: Simplify right side
    30,786.78x = 1,271,268,366.56
  5. Step 5: Solve for x
    x = 1,271,268,366.56/30,786.78
  6. Step 6: Final answer
    x = 41,292.67

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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.