Home / 49,816.94-68,747.38-30,954.06

Finding the Fourth Proportional to 49,816.94, 68,747.38 and 30,954.06

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Solution

The fourth proportional to 49,816.94, 68,747.38 and 30,954.06 is: 42,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816.94 : 68,747.38 = 30,954.06 : x
  2. Step 2: Convert to fraction form
    49,816.94/68,747.38 = 30,954.06/x
  3. Step 3: Cross multiply
    49,816.94x = 68,747.38 × 30,954.06
  4. Step 4: Simplify right side
    49,816.94x = 2,128,010,542.46
  5. Step 5: Solve for x
    x = 2,128,010,542.46/49,816.94
  6. Step 6: Final answer
    x = 42,716.61

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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.