Home / 36,685.44-55,011.32-11,719.96

Finding the Fourth Proportional to 36,685.44, 55,011.32 and 11,719.96

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Solution

The fourth proportional to 36,685.44, 55,011.32 and 11,719.96 is: 17,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.44 : 55,011.32 = 11,719.96 : x
  2. Step 2: Convert to fraction form
    36,685.44/55,011.32 = 11,719.96/x
  3. Step 3: Cross multiply
    36,685.44x = 55,011.32 × 11,719.96
  4. Step 4: Simplify right side
    36,685.44x = 644,730,469.95
  5. Step 5: Solve for x
    x = 644,730,469.95/36,685.44
  6. Step 6: Final answer
    x = 17,574.56

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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.