Home / 29,787.63-41,079.46-20,241.77

Finding the Fourth Proportional to 29,787.63, 41,079.46 and 20,241.77

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Solution

The fourth proportional to 29,787.63, 41,079.46 and 20,241.77 is: 27,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.63 : 41,079.46 = 20,241.77 : x
  2. Step 2: Convert to fraction form
    29,787.63/41,079.46 = 20,241.77/x
  3. Step 3: Cross multiply
    29,787.63x = 41,079.46 × 20,241.77
  4. Step 4: Simplify right side
    29,787.63x = 831,520,927.93
  5. Step 5: Solve for x
    x = 831,520,927.93/29,787.63
  6. Step 6: Final answer
    x = 27,914.97

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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.