Home / 20,132.49-30,198.74-5,342.02

Finding the Fourth Proportional to 20,132.49, 30,198.74 and 5,342.02

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Solution

The fourth proportional to 20,132.49, 30,198.74 and 5,342.02 is: 8,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.49 : 30,198.74 = 5,342.02 : x
  2. Step 2: Convert to fraction form
    20,132.49/30,198.74 = 5,342.02/x
  3. Step 3: Cross multiply
    20,132.49x = 30,198.74 × 5,342.02
  4. Step 4: Simplify right side
    20,132.49x = 161,322,273.05
  5. Step 5: Solve for x
    x = 161,322,273.05/20,132.49
  6. Step 6: Final answer
    x = 8,013.03

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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.