Home / 49,135.12-67,787.22-30,239.44

Finding the Fourth Proportional to 49,135.12, 67,787.22 and 30,239.44

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Solution

The fourth proportional to 49,135.12, 67,787.22 and 30,239.44 is: 41,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.12 : 67,787.22 = 30,239.44 : x
  2. Step 2: Convert to fraction form
    49,135.12/67,787.22 = 30,239.44/x
  3. Step 3: Cross multiply
    49,135.12x = 67,787.22 × 30,239.44
  4. Step 4: Simplify right side
    49,135.12x = 2,049,847,571.96
  5. Step 5: Solve for x
    x = 2,049,847,571.96/49,135.12
  6. Step 6: Final answer
    x = 41,718.58

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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.