Home / 29,439.84-44,122.32-13,836

Finding the Fourth Proportional to 29,439.84, 44,122.32 and 13,836

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Solution

The fourth proportional to 29,439.84, 44,122.32 and 13,836 is: 20,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,439.84 : 44,122.32 = 13,836 : x
  2. Step 2: Convert to fraction form
    29,439.84/44,122.32 = 13,836/x
  3. Step 3: Cross multiply
    29,439.84x = 44,122.32 × 13,836
  4. Step 4: Simplify right side
    29,439.84x = 610,476,419.52
  5. Step 5: Solve for x
    x = 610,476,419.52/29,439.84
  6. Step 6: Final answer
    x = 20,736.40

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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.