Home / 50,081.88-75,126.92-21,998.06

Finding the Fourth Proportional to 50,081.88, 75,126.92 and 21,998.06

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Solution

The fourth proportional to 50,081.88, 75,126.92 and 21,998.06 is: 32,998.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,081.88 : 75,126.92 = 21,998.06 : x
  2. Step 2: Convert to fraction form
    50,081.88/75,126.92 = 21,998.06/x
  3. Step 3: Cross multiply
    50,081.88x = 75,126.92 × 21,998.06
  4. Step 4: Simplify right side
    50,081.88x = 1,652,646,493.78
  5. Step 5: Solve for x
    x = 1,652,646,493.78/50,081.88
  6. Step 6: Final answer
    x = 32,998.89

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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.