Home / 43,183.22-64,777.14-13,603.37

Finding the Fourth Proportional to 43,183.22, 64,777.14 and 13,603.37

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Solution

The fourth proportional to 43,183.22, 64,777.14 and 13,603.37 is: 20,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.22 : 64,777.14 = 13,603.37 : x
  2. Step 2: Convert to fraction form
    43,183.22/64,777.14 = 13,603.37/x
  3. Step 3: Cross multiply
    43,183.22x = 64,777.14 × 13,603.37
  4. Step 4: Simplify right side
    43,183.22x = 881,187,079.08
  5. Step 5: Solve for x
    x = 881,187,079.08/43,183.22
  6. Step 6: Final answer
    x = 20,405.78

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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.