Home / 65,531.30-98,297.20-19,939.44

Finding the Fourth Proportional to 65,531.30, 98,297.20 and 19,939.44

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Solution

The fourth proportional to 65,531.30, 98,297.20 and 19,939.44 is: 29,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,531.30 : 98,297.20 = 19,939.44 : x
  2. Step 2: Convert to fraction form
    65,531.30/98,297.20 = 19,939.44/x
  3. Step 3: Cross multiply
    65,531.30x = 98,297.20 × 19,939.44
  4. Step 4: Simplify right side
    65,531.30x = 1,959,991,440.33
  5. Step 5: Solve for x
    x = 1,959,991,440.33/65,531.30
  6. Step 6: Final answer
    x = 29,909.24

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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.