Home / 30,787.76-46,179.72-12,067.04

Finding the Fourth Proportional to 30,787.76, 46,179.72 and 12,067.04

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Solution

The fourth proportional to 30,787.76, 46,179.72 and 12,067.04 is: 18,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.76 : 46,179.72 = 12,067.04 : x
  2. Step 2: Convert to fraction form
    30,787.76/46,179.72 = 12,067.04/x
  3. Step 3: Cross multiply
    30,787.76x = 46,179.72 × 12,067.04
  4. Step 4: Simplify right side
    30,787.76x = 557,252,528.43
  5. Step 5: Solve for x
    x = 557,252,528.43/30,787.76
  6. Step 6: Final answer
    x = 18,099.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.