Home / 50,218.09-75,324.03-20,635.17

Finding the Fourth Proportional to 50,218.09, 75,324.03 and 20,635.17

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Solution

The fourth proportional to 50,218.09, 75,324.03 and 20,635.17 is: 30,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,218.09 : 75,324.03 = 20,635.17 : x
  2. Step 2: Convert to fraction form
    50,218.09/75,324.03 = 20,635.17/x
  3. Step 3: Cross multiply
    50,218.09x = 75,324.03 × 20,635.17
  4. Step 4: Simplify right side
    50,218.09x = 1,554,324,164.14
  5. Step 5: Solve for x
    x = 1,554,324,164.14/50,218.09
  6. Step 6: Final answer
    x = 30,951.48

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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.