Home / 40,193.70-55,470.60-22,290.54

Finding the Fourth Proportional to 40,193.70, 55,470.60 and 22,290.54

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Solution

The fourth proportional to 40,193.70, 55,470.60 and 22,290.54 is: 30,762.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,193.70 : 55,470.60 = 22,290.54 : x
  2. Step 2: Convert to fraction form
    40,193.70/55,470.60 = 22,290.54/x
  3. Step 3: Cross multiply
    40,193.70x = 55,470.60 × 22,290.54
  4. Step 4: Simplify right side
    40,193.70x = 1,236,469,628.12
  5. Step 5: Solve for x
    x = 1,236,469,628.12/40,193.70
  6. Step 6: Final answer
    x = 30,762.77

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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.