Home / 43,419.54-65,131.83-16,765.66

Finding the Fourth Proportional to 43,419.54, 65,131.83 and 16,765.66

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Solution

The fourth proportional to 43,419.54, 65,131.83 and 16,765.66 is: 25,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,419.54 : 65,131.83 = 16,765.66 : x
  2. Step 2: Convert to fraction form
    43,419.54/65,131.83 = 16,765.66/x
  3. Step 3: Cross multiply
    43,419.54x = 65,131.83 × 16,765.66
  4. Step 4: Simplify right side
    43,419.54x = 1,091,978,116.96
  5. Step 5: Solve for x
    x = 1,091,978,116.96/43,419.54
  6. Step 6: Final answer
    x = 25,149.46

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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.