Home / 49,411.94-68,187.81-28,191.56

Finding the Fourth Proportional to 49,411.94, 68,187.81 and 28,191.56

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Solution

The fourth proportional to 49,411.94, 68,187.81 and 28,191.56 is: 38,903.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411.94 : 68,187.81 = 28,191.56 : x
  2. Step 2: Convert to fraction form
    49,411.94/68,187.81 = 28,191.56/x
  3. Step 3: Cross multiply
    49,411.94x = 68,187.81 × 28,191.56
  4. Step 4: Simplify right side
    49,411.94x = 1,922,320,736.88
  5. Step 5: Solve for x
    x = 1,922,320,736.88/49,411.94
  6. Step 6: Final answer
    x = 38,903.97

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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.