Home / 48,728.84-67,227.27-30,571.87

Finding the Fourth Proportional to 48,728.84, 67,227.27 and 30,571.87

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Solution

The fourth proportional to 48,728.84, 67,227.27 and 30,571.87 is: 42,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,728.84 : 67,227.27 = 30,571.87 : x
  2. Step 2: Convert to fraction form
    48,728.84/67,227.27 = 30,571.87/x
  3. Step 3: Cross multiply
    48,728.84x = 67,227.27 × 30,571.87
  4. Step 4: Simplify right side
    48,728.84x = 2,055,263,204.43
  5. Step 5: Solve for x
    x = 2,055,263,204.43/48,728.84
  6. Step 6: Final answer
    x = 42,177.55

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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.