Home / 43,908.24-65,868.78-12,739.44

Finding the Fourth Proportional to 43,908.24, 65,868.78 and 12,739.44

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Solution

The fourth proportional to 43,908.24, 65,868.78 and 12,739.44 is: 19,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.24 : 65,868.78 = 12,739.44 : x
  2. Step 2: Convert to fraction form
    43,908.24/65,868.78 = 12,739.44/x
  3. Step 3: Cross multiply
    43,908.24x = 65,868.78 × 12,739.44
  4. Step 4: Simplify right side
    43,908.24x = 839,131,370.68
  5. Step 5: Solve for x
    x = 839,131,370.68/43,908.24
  6. Step 6: Final answer
    x = 19,111.02

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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.