Home / 35,787.42-49,385.70-19,871.46

Finding the Fourth Proportional to 35,787.42, 49,385.70 and 19,871.46

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Solution

The fourth proportional to 35,787.42, 49,385.70 and 19,871.46 is: 27,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.42 : 49,385.70 = 19,871.46 : x
  2. Step 2: Convert to fraction form
    35,787.42/49,385.70 = 19,871.46/x
  3. Step 3: Cross multiply
    35,787.42x = 49,385.70 × 19,871.46
  4. Step 4: Simplify right side
    35,787.42x = 981,365,962.12
  5. Step 5: Solve for x
    x = 981,365,962.12/35,787.42
  6. Step 6: Final answer
    x = 27,422.09

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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.