Home / 27,400.50-41,102.78-20,051.37

Finding the Fourth Proportional to 27,400.50, 41,102.78 and 20,051.37

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Solution

The fourth proportional to 27,400.50, 41,102.78 and 20,051.37 is: 30,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400.50 : 41,102.78 = 20,051.37 : x
  2. Step 2: Convert to fraction form
    27,400.50/41,102.78 = 20,051.37/x
  3. Step 3: Cross multiply
    27,400.50x = 41,102.78 × 20,051.37
  4. Step 4: Simplify right side
    27,400.50x = 824,166,949.55
  5. Step 5: Solve for x
    x = 824,166,949.55/27,400.50
  6. Step 6: Final answer
    x = 30,078.54

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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.