Home / 50,716.58-76,081.79-21,127.49

Finding the Fourth Proportional to 50,716.58, 76,081.79 and 21,127.49

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Solution

The fourth proportional to 50,716.58, 76,081.79 and 21,127.49 is: 31,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,716.58 : 76,081.79 = 21,127.49 : x
  2. Step 2: Convert to fraction form
    50,716.58/76,081.79 = 21,127.49/x
  3. Step 3: Cross multiply
    50,716.58x = 76,081.79 × 21,127.49
  4. Step 4: Simplify right side
    50,716.58x = 1,607,416,961.57
  5. Step 5: Solve for x
    x = 1,607,416,961.57/50,716.58
  6. Step 6: Final answer
    x = 31,694.11

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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.