Home / 50,721.84-69,998.21-28,060.44

Finding the Fourth Proportional to 50,721.84, 69,998.21 and 28,060.44

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Solution

The fourth proportional to 50,721.84, 69,998.21 and 28,060.44 is: 38,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.84 : 69,998.21 = 28,060.44 : x
  2. Step 2: Convert to fraction form
    50,721.84/69,998.21 = 28,060.44/x
  3. Step 3: Cross multiply
    50,721.84x = 69,998.21 × 28,060.44
  4. Step 4: Simplify right side
    50,721.84x = 1,964,180,571.81
  5. Step 5: Solve for x
    x = 1,964,180,571.81/50,721.84
  6. Step 6: Final answer
    x = 38,724.55

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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.