Home / 36,818.28-55,229.76-13,441.68

Finding the Fourth Proportional to 36,818.28, 55,229.76 and 13,441.68

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Solution

The fourth proportional to 36,818.28, 55,229.76 and 13,441.68 is: 20,163.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.28 : 55,229.76 = 13,441.68 : x
  2. Step 2: Convert to fraction form
    36,818.28/55,229.76 = 13,441.68/x
  3. Step 3: Cross multiply
    36,818.28x = 55,229.76 × 13,441.68
  4. Step 4: Simplify right side
    36,818.28x = 742,380,760.40
  5. Step 5: Solve for x
    x = 742,380,760.40/36,818.28
  6. Step 6: Final answer
    x = 20,163.37

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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.