Home / 50,694.39-76,035.11-21,106.71

Finding the Fourth Proportional to 50,694.39, 76,035.11 and 21,106.71

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Solution

The fourth proportional to 50,694.39, 76,035.11 and 21,106.71 is: 31,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,694.39 : 76,035.11 = 21,106.71 : x
  2. Step 2: Convert to fraction form
    50,694.39/76,035.11 = 21,106.71/x
  3. Step 3: Cross multiply
    50,694.39x = 76,035.11 × 21,106.71
  4. Step 4: Simplify right side
    50,694.39x = 1,604,850,911.05
  5. Step 5: Solve for x
    x = 1,604,850,911.05/50,694.39
  6. Step 6: Final answer
    x = 31,657.37

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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.