Home / 29,324.93-43,986.96-7,138.35

Finding the Fourth Proportional to 29,324.93, 43,986.96 and 7,138.35

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Solution

The fourth proportional to 29,324.93, 43,986.96 and 7,138.35 is: 10,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,324.93 : 43,986.96 = 7,138.35 : x
  2. Step 2: Convert to fraction form
    29,324.93/43,986.96 = 7,138.35/x
  3. Step 3: Cross multiply
    29,324.93x = 43,986.96 × 7,138.35
  4. Step 4: Simplify right side
    29,324.93x = 313,994,315.92
  5. Step 5: Solve for x
    x = 313,994,315.92/29,324.93
  6. Step 6: Final answer
    x = 10,707.42

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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.