Home / 50,144.46-75,216.68-20,542.09

Finding the Fourth Proportional to 50,144.46, 75,216.68 and 20,542.09

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Solution

The fourth proportional to 50,144.46, 75,216.68 and 20,542.09 is: 30,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,144.46 : 75,216.68 = 20,542.09 : x
  2. Step 2: Convert to fraction form
    50,144.46/75,216.68 = 20,542.09/x
  3. Step 3: Cross multiply
    50,144.46x = 75,216.68 × 20,542.09
  4. Step 4: Simplify right side
    50,144.46x = 1,545,107,810.06
  5. Step 5: Solve for x
    x = 1,545,107,810.06/50,144.46
  6. Step 6: Final answer
    x = 30,813.13

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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.