Home / 43,418.24-65,129.86-16,764.36

Finding the Fourth Proportional to 43,418.24, 65,129.86 and 16,764.36

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Solution

The fourth proportional to 43,418.24, 65,129.86 and 16,764.36 is: 25,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.24 : 65,129.86 = 16,764.36 : x
  2. Step 2: Convert to fraction form
    43,418.24/65,129.86 = 16,764.36/x
  3. Step 3: Cross multiply
    43,418.24x = 65,129.86 × 16,764.36
  4. Step 4: Simplify right side
    43,418.24x = 1,091,860,419.79
  5. Step 5: Solve for x
    x = 1,091,860,419.79/43,418.24
  6. Step 6: Final answer
    x = 25,147.51

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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.