Home / 43,514.82-65,165.37-21,256.44

Finding the Fourth Proportional to 43,514.82, 65,165.37 and 21,256.44

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Solution

The fourth proportional to 43,514.82, 65,165.37 and 21,256.44 is: 31,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,514.82 : 65,165.37 = 21,256.44 : x
  2. Step 2: Convert to fraction form
    43,514.82/65,165.37 = 21,256.44/x
  3. Step 3: Cross multiply
    43,514.82x = 65,165.37 × 21,256.44
  4. Step 4: Simplify right side
    43,514.82x = 1,385,183,777.48
  5. Step 5: Solve for x
    x = 1,385,183,777.48/43,514.82
  6. Step 6: Final answer
    x = 31,832.46

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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.