Home / 33,181.65-45,787.28-19,753.47

Finding the Fourth Proportional to 33,181.65, 45,787.28 and 19,753.47

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Solution

The fourth proportional to 33,181.65, 45,787.28 and 19,753.47 is: 27,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.65 : 45,787.28 = 19,753.47 : x
  2. Step 2: Convert to fraction form
    33,181.65/45,787.28 = 19,753.47/x
  3. Step 3: Cross multiply
    33,181.65x = 45,787.28 × 19,753.47
  4. Step 4: Simplify right side
    33,181.65x = 904,457,563.09
  5. Step 5: Solve for x
    x = 904,457,563.09/33,181.65
  6. Step 6: Final answer
    x = 27,257.76

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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.