Home / 48,286.26-72,420.55-20,198.84

Finding the Fourth Proportional to 48,286.26, 72,420.55 and 20,198.84

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Solution

The fourth proportional to 48,286.26, 72,420.55 and 20,198.84 is: 30,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,286.26 : 72,420.55 = 20,198.84 : x
  2. Step 2: Convert to fraction form
    48,286.26/72,420.55 = 20,198.84/x
  3. Step 3: Cross multiply
    48,286.26x = 72,420.55 × 20,198.84
  4. Step 4: Simplify right side
    48,286.26x = 1,462,810,689.56
  5. Step 5: Solve for x
    x = 1,462,810,689.56/48,286.26
  6. Step 6: Final answer
    x = 30,294.55

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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.