Home / 50,338.74-75,542.77-20,756.57

Finding the Fourth Proportional to 50,338.74, 75,542.77 and 20,756.57

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Solution

The fourth proportional to 50,338.74, 75,542.77 and 20,756.57 is: 31,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,338.74 : 75,542.77 = 20,756.57 : x
  2. Step 2: Convert to fraction form
    50,338.74/75,542.77 = 20,756.57/x
  3. Step 3: Cross multiply
    50,338.74x = 75,542.77 × 20,756.57
  4. Step 4: Simplify right side
    50,338.74x = 1,568,008,793.50
  5. Step 5: Solve for x
    x = 1,568,008,793.50/50,338.74
  6. Step 6: Final answer
    x = 31,149.15

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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.