Home / 36,849.91-55,261.27-13,151.12

Finding the Fourth Proportional to 36,849.91, 55,261.27 and 13,151.12

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Solution

The fourth proportional to 36,849.91, 55,261.27 and 13,151.12 is: 19,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,849.91 : 55,261.27 = 13,151.12 : x
  2. Step 2: Convert to fraction form
    36,849.91/55,261.27 = 13,151.12/x
  3. Step 3: Cross multiply
    36,849.91x = 55,261.27 × 13,151.12
  4. Step 4: Simplify right side
    36,849.91x = 726,747,251.06
  5. Step 5: Solve for x
    x = 726,747,251.06/36,849.91
  6. Step 6: Final answer
    x = 19,721.82

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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.