Home / 48,704.24-67,144.92-30,790.28

Finding the Fourth Proportional to 48,704.24, 67,144.92 and 30,790.28

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Solution

The fourth proportional to 48,704.24, 67,144.92 and 30,790.28 is: 42,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,704.24 : 67,144.92 = 30,790.28 : x
  2. Step 2: Convert to fraction form
    48,704.24/67,144.92 = 30,790.28/x
  3. Step 3: Cross multiply
    48,704.24x = 67,144.92 × 30,790.28
  4. Step 4: Simplify right side
    48,704.24x = 2,067,410,887.38
  5. Step 5: Solve for x
    x = 2,067,410,887.38/48,704.24
  6. Step 6: Final answer
    x = 42,448.27

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1.5x scale

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.