Home / 50,131.68-75,199.82-20,528.75

Finding the Fourth Proportional to 50,131.68, 75,199.82 and 20,528.75

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Solution

The fourth proportional to 50,131.68, 75,199.82 and 20,528.75 is: 30,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.68 : 75,199.82 = 20,528.75 : x
  2. Step 2: Convert to fraction form
    50,131.68/75,199.82 = 20,528.75/x
  3. Step 3: Cross multiply
    50,131.68x = 75,199.82 × 20,528.75
  4. Step 4: Simplify right side
    50,131.68x = 1,543,758,683.58
  5. Step 5: Solve for x
    x = 1,543,758,683.58/50,131.68
  6. Step 6: Final answer
    x = 30,794.08

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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.