Home / 50,067.48-75,131.88-20,078.53

Finding the Fourth Proportional to 50,067.48, 75,131.88 and 20,078.53

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Solution

The fourth proportional to 50,067.48, 75,131.88 and 20,078.53 is: 30,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,067.48 : 75,131.88 = 20,078.53 : x
  2. Step 2: Convert to fraction form
    50,067.48/75,131.88 = 20,078.53/x
  3. Step 3: Cross multiply
    50,067.48x = 75,131.88 × 20,078.53
  4. Step 4: Simplify right side
    50,067.48x = 1,508,537,706.54
  5. Step 5: Solve for x
    x = 1,508,537,706.54/50,067.48
  6. Step 6: Final answer
    x = 30,130.09

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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.