Home / 29,982.60-41,361.30-19,381.32

Finding the Fourth Proportional to 29,982.60, 41,361.30 and 19,381.32

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Solution

The fourth proportional to 29,982.60, 41,361.30 and 19,381.32 is: 26,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,982.60 : 41,361.30 = 19,381.32 : x
  2. Step 2: Convert to fraction form
    29,982.60/41,361.30 = 19,381.32/x
  3. Step 3: Cross multiply
    29,982.60x = 41,361.30 × 19,381.32
  4. Step 4: Simplify right side
    29,982.60x = 801,636,590.92
  5. Step 5: Solve for x
    x = 801,636,590.92/29,982.60
  6. Step 6: Final answer
    x = 26,736.73

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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.