Home / 35,787.54-49,386.96-19,871.94

Finding the Fourth Proportional to 35,787.54, 49,386.96 and 19,871.94

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Solution

The fourth proportional to 35,787.54, 49,386.96 and 19,871.94 is: 27,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.54 : 49,386.96 = 19,871.94 : x
  2. Step 2: Convert to fraction form
    35,787.54/49,386.96 = 19,871.94/x
  3. Step 3: Cross multiply
    35,787.54x = 49,386.96 × 19,871.94
  4. Step 4: Simplify right side
    35,787.54x = 981,414,705.90
  5. Step 5: Solve for x
    x = 981,414,705.90/35,787.54
  6. Step 6: Final answer
    x = 27,423.36

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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.