Home / 36,742.68-55,138.61-13,049.25

Finding the Fourth Proportional to 36,742.68, 55,138.61 and 13,049.25

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Solution

The fourth proportional to 36,742.68, 55,138.61 and 13,049.25 is: 19,582.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,742.68 : 55,138.61 = 13,049.25 : x
  2. Step 2: Convert to fraction form
    36,742.68/55,138.61 = 13,049.25/x
  3. Step 3: Cross multiply
    36,742.68x = 55,138.61 × 13,049.25
  4. Step 4: Simplify right side
    36,742.68x = 719,517,506.54
  5. Step 5: Solve for x
    x = 719,517,506.54/36,742.68
  6. Step 6: Final answer
    x = 19,582.61

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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.