Home / 50,698.86-76,067.73-21,108.75

Finding the Fourth Proportional to 50,698.86, 76,067.73 and 21,108.75

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Solution

The fourth proportional to 50,698.86, 76,067.73 and 21,108.75 is: 31,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,698.86 : 76,067.73 = 21,108.75 : x
  2. Step 2: Convert to fraction form
    50,698.86/76,067.73 = 21,108.75/x
  3. Step 3: Cross multiply
    50,698.86x = 76,067.73 × 21,108.75
  4. Step 4: Simplify right side
    50,698.86x = 1,605,694,695.64
  5. Step 5: Solve for x
    x = 1,605,694,695.64/50,698.86
  6. Step 6: Final answer
    x = 31,671.22

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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.