Home / 50,138.56-75,201.96-20,151.62

Finding the Fourth Proportional to 50,138.56, 75,201.96 and 20,151.62

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Solution

The fourth proportional to 50,138.56, 75,201.96 and 20,151.62 is: 30,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.56 : 75,201.96 = 20,151.62 : x
  2. Step 2: Convert to fraction form
    50,138.56/75,201.96 = 20,151.62/x
  3. Step 3: Cross multiply
    50,138.56x = 75,201.96 × 20,151.62
  4. Step 4: Simplify right side
    50,138.56x = 1,515,440,945.17
  5. Step 5: Solve for x
    x = 1,515,440,945.17/50,138.56
  6. Step 6: Final answer
    x = 30,225.06

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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.