Home / 36,078.84-49,787.88-20,163.42

Finding the Fourth Proportional to 36,078.84, 49,787.88 and 20,163.42

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Solution

The fourth proportional to 36,078.84, 49,787.88 and 20,163.42 is: 27,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.84 : 49,787.88 = 20,163.42 : x
  2. Step 2: Convert to fraction form
    36,078.84/49,787.88 = 20,163.42/x
  3. Step 3: Cross multiply
    36,078.84x = 49,787.88 × 20,163.42
  4. Step 4: Simplify right side
    36,078.84x = 1,003,893,935.35
  5. Step 5: Solve for x
    x = 1,003,893,935.35/36,078.84
  6. Step 6: Final answer
    x = 27,825.01

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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.