Home / 20,046.72-30,008.52-18,063.84

Finding the Fourth Proportional to 20,046.72, 30,008.52 and 18,063.84

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Solution

The fourth proportional to 20,046.72, 30,008.52 and 18,063.84 is: 27,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.72 : 30,008.52 = 18,063.84 : x
  2. Step 2: Convert to fraction form
    20,046.72/30,008.52 = 18,063.84/x
  3. Step 3: Cross multiply
    20,046.72x = 30,008.52 × 18,063.84
  4. Step 4: Simplify right side
    20,046.72x = 542,069,103.92
  5. Step 5: Solve for x
    x = 542,069,103.92/20,046.72
  6. Step 6: Final answer
    x = 27,040.29

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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.