Home / 20,308.24-30,480.82-14,108.10

Finding the Fourth Proportional to 20,308.24, 30,480.82 and 14,108.10

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Solution

The fourth proportional to 20,308.24, 30,480.82 and 14,108.10 is: 21,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,308.24 : 30,480.82 = 14,108.10 : x
  2. Step 2: Convert to fraction form
    20,308.24/30,480.82 = 14,108.10/x
  3. Step 3: Cross multiply
    20,308.24x = 30,480.82 × 14,108.10
  4. Step 4: Simplify right side
    20,308.24x = 430,026,456.64
  5. Step 5: Solve for x
    x = 430,026,456.64/20,308.24
  6. Step 6: Final answer
    x = 21,174.97

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.