Home / 54,787.04-82,147.30-21,467.18

Finding the Fourth Proportional to 54,787.04, 82,147.30 and 21,467.18

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Solution

The fourth proportional to 54,787.04, 82,147.30 and 21,467.18 is: 32,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.04 : 82,147.30 = 21,467.18 : x
  2. Step 2: Convert to fraction form
    54,787.04/82,147.30 = 21,467.18/x
  3. Step 3: Cross multiply
    54,787.04x = 82,147.30 × 21,467.18
  4. Step 4: Simplify right side
    54,787.04x = 1,763,471,027.31
  5. Step 5: Solve for x
    x = 1,763,471,027.31/54,787.04
  6. Step 6: Final answer
    x = 32,187.74

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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.