Home / 48,891.12-73,351.44-20,441.90

Finding the Fourth Proportional to 48,891.12, 73,351.44 and 20,441.90

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Solution

The fourth proportional to 48,891.12, 73,351.44 and 20,441.90 is: 30,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,891.12 : 73,351.44 = 20,441.90 : x
  2. Step 2: Convert to fraction form
    48,891.12/73,351.44 = 20,441.90/x
  3. Step 3: Cross multiply
    48,891.12x = 73,351.44 × 20,441.90
  4. Step 4: Simplify right side
    48,891.12x = 1,499,442,434.58
  5. Step 5: Solve for x
    x = 1,499,442,434.58/48,891.12
  6. Step 6: Final answer
    x = 30,669.01

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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.