Home / 47,942.82-71,914.91-18,362.16

Finding the Fourth Proportional to 47,942.82, 71,914.91 and 18,362.16

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Solution

The fourth proportional to 47,942.82, 71,914.91 and 18,362.16 is: 27,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.82 : 71,914.91 = 18,362.16 : x
  2. Step 2: Convert to fraction form
    47,942.82/71,914.91 = 18,362.16/x
  3. Step 3: Cross multiply
    47,942.82x = 71,914.91 × 18,362.16
  4. Step 4: Simplify right side
    47,942.82x = 1,320,512,991.99
  5. Step 5: Solve for x
    x = 1,320,512,991.99/47,942.82
  6. Step 6: Final answer
    x = 27,543.50

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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.