Home / 39,940.27-55,117.19-22,035.42

Finding the Fourth Proportional to 39,940.27, 55,117.19 and 22,035.42

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Solution

The fourth proportional to 39,940.27, 55,117.19 and 22,035.42 is: 30,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,940.27 : 55,117.19 = 22,035.42 : x
  2. Step 2: Convert to fraction form
    39,940.27/55,117.19 = 22,035.42/x
  3. Step 3: Cross multiply
    39,940.27x = 55,117.19 × 22,035.42
  4. Step 4: Simplify right side
    39,940.27x = 1,214,530,485.96
  5. Step 5: Solve for x
    x = 1,214,530,485.96/39,940.27
  6. Step 6: Final answer
    x = 30,408.67

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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.