Home / 54,060.30-81,103.10-18,522

Finding the Fourth Proportional to 54,060.30, 81,103.10 and 18,522

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Solution

The fourth proportional to 54,060.30, 81,103.10 and 18,522 is: 27,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,060.30 : 81,103.10 = 18,522 : x
  2. Step 2: Convert to fraction form
    54,060.30/81,103.10 = 18,522/x
  3. Step 3: Cross multiply
    54,060.30x = 81,103.10 × 18,522
  4. Step 4: Simplify right side
    54,060.30x = 1,502,191,525.59
  5. Step 5: Solve for x
    x = 1,502,191,525.59/54,060.30
  6. Step 6: Final answer
    x = 27,787.33

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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.