Home / 29,787.42-41,079.21-20,241.62

Finding the Fourth Proportional to 29,787.42, 41,079.21 and 20,241.62

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Solution

The fourth proportional to 29,787.42, 41,079.21 and 20,241.62 is: 27,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.42 : 41,079.21 = 20,241.62 : x
  2. Step 2: Convert to fraction form
    29,787.42/41,079.21 = 20,241.62/x
  3. Step 3: Cross multiply
    29,787.42x = 41,079.21 × 20,241.62
  4. Step 4: Simplify right side
    29,787.42x = 831,509,758.72
  5. Step 5: Solve for x
    x = 831,509,758.72/29,787.42
  6. Step 6: Final answer
    x = 27,914.80

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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.