Home / 51,067.86-76,584.78-21,480.18

Finding the Fourth Proportional to 51,067.86, 76,584.78 and 21,480.18

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Solution

The fourth proportional to 51,067.86, 76,584.78 and 21,480.18 is: 32,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.86 : 76,584.78 = 21,480.18 : x
  2. Step 2: Convert to fraction form
    51,067.86/76,584.78 = 21,480.18/x
  3. Step 3: Cross multiply
    51,067.86x = 76,584.78 × 21,480.18
  4. Step 4: Simplify right side
    51,067.86x = 1,645,054,859.66
  5. Step 5: Solve for x
    x = 1,645,054,859.66/51,067.86
  6. Step 6: Final answer
    x = 32,213.12

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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.