Home / 35,787.76-49,388.62-19,872.19

Finding the Fourth Proportional to 35,787.76, 49,388.62 and 19,872.19

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Solution

The fourth proportional to 35,787.76, 49,388.62 and 19,872.19 is: 27,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.76 : 49,388.62 = 19,872.19 : x
  2. Step 2: Convert to fraction form
    35,787.76/49,388.62 = 19,872.19/x
  3. Step 3: Cross multiply
    35,787.76x = 49,388.62 × 19,872.19
  4. Step 4: Simplify right side
    35,787.76x = 981,459,867.33
  5. Step 5: Solve for x
    x = 981,459,867.33/35,787.76
  6. Step 6: Final answer
    x = 27,424.46

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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.