Home / 36,942.31-55,388.16-13,249.35

Finding the Fourth Proportional to 36,942.31, 55,388.16 and 13,249.35

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Solution

The fourth proportional to 36,942.31, 55,388.16 and 13,249.35 is: 19,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.31 : 55,388.16 = 13,249.35 : x
  2. Step 2: Convert to fraction form
    36,942.31/55,388.16 = 13,249.35/x
  3. Step 3: Cross multiply
    36,942.31x = 55,388.16 × 13,249.35
  4. Step 4: Simplify right side
    36,942.31x = 733,857,117.70
  5. Step 5: Solve for x
    x = 733,857,117.70/36,942.31
  6. Step 6: Final answer
    x = 19,864.95

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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.