Home / 50,805.43-76,195.89-21,207.22

Finding the Fourth Proportional to 50,805.43, 76,195.89 and 21,207.22

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Solution

The fourth proportional to 50,805.43, 76,195.89 and 21,207.22 is: 31,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.43 : 76,195.89 = 21,207.22 : x
  2. Step 2: Convert to fraction form
    50,805.43/76,195.89 = 21,207.22/x
  3. Step 3: Cross multiply
    50,805.43x = 76,195.89 × 21,207.22
  4. Step 4: Simplify right side
    50,805.43x = 1,615,903,002.33
  5. Step 5: Solve for x
    x = 1,615,903,002.33/50,805.43
  6. Step 6: Final answer
    x = 31,805.71

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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.