Home / 43,989.08-65,982.97-10,709.21

Finding the Fourth Proportional to 43,989.08, 65,982.97 and 10,709.21

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Solution

The fourth proportional to 43,989.08, 65,982.97 and 10,709.21 is: 16,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,989.08 : 65,982.97 = 10,709.21 : x
  2. Step 2: Convert to fraction form
    43,989.08/65,982.97 = 10,709.21/x
  3. Step 3: Cross multiply
    43,989.08x = 65,982.97 × 10,709.21
  4. Step 4: Simplify right side
    43,989.08x = 706,625,660.50
  5. Step 5: Solve for x
    x = 706,625,660.50/43,989.08
  6. Step 6: Final answer
    x = 16,063.66

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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.