Home / 43,514.32-65,164.62-21,255.94

Finding the Fourth Proportional to 43,514.32, 65,164.62 and 21,255.94

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Solution

The fourth proportional to 43,514.32, 65,164.62 and 21,255.94 is: 31,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,514.32 : 65,164.62 = 21,255.94 : x
  2. Step 2: Convert to fraction form
    43,514.32/65,164.62 = 21,255.94/x
  3. Step 3: Cross multiply
    43,514.32x = 65,164.62 × 21,255.94
  4. Step 4: Simplify right side
    43,514.32x = 1,385,135,252.84
  5. Step 5: Solve for x
    x = 1,385,135,252.84/43,514.32
  6. Step 6: Final answer
    x = 31,831.71

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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.