Home / 39,994.91-55,192.97-22,091.07

Finding the Fourth Proportional to 39,994.91, 55,192.97 and 22,091.07

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Solution

The fourth proportional to 39,994.91, 55,192.97 and 22,091.07 is: 30,485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.91 : 55,192.97 = 22,091.07 : x
  2. Step 2: Convert to fraction form
    39,994.91/55,192.97 = 22,091.07/x
  3. Step 3: Cross multiply
    39,994.91x = 55,192.97 × 22,091.07
  4. Step 4: Simplify right side
    39,994.91x = 1,219,271,763.78
  5. Step 5: Solve for x
    x = 1,219,271,763.78/39,994.91
  6. Step 6: Final answer
    x = 30,485.67

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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.