Home / 36,791.72-55,187.58-11,831.21

Finding the Fourth Proportional to 36,791.72, 55,187.58 and 11,831.21

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Solution

The fourth proportional to 36,791.72, 55,187.58 and 11,831.21 is: 17,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,791.72 : 55,187.58 = 11,831.21 : x
  2. Step 2: Convert to fraction form
    36,791.72/55,187.58 = 11,831.21/x
  3. Step 3: Cross multiply
    36,791.72x = 55,187.58 × 11,831.21
  4. Step 4: Simplify right side
    36,791.72x = 652,936,067.63
  5. Step 5: Solve for x
    x = 652,936,067.63/36,791.72
  6. Step 6: Final answer
    x = 17,746.82

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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.