Home / 47,972.20-66,184.14-30,067.96

Finding the Fourth Proportional to 47,972.20, 66,184.14 and 30,067.96

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Solution

The fourth proportional to 47,972.20, 66,184.14 and 30,067.96 is: 41,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.20 : 66,184.14 = 30,067.96 : x
  2. Step 2: Convert to fraction form
    47,972.20/66,184.14 = 30,067.96/x
  3. Step 3: Cross multiply
    47,972.20x = 66,184.14 × 30,067.96
  4. Step 4: Simplify right side
    47,972.20x = 1,990,022,074.15
  5. Step 5: Solve for x
    x = 1,990,022,074.15/47,972.20
  6. Step 6: Final answer
    x = 41,482.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.