Home / 43,939.68-65,908.96-10,660

Finding the Fourth Proportional to 43,939.68, 65,908.96 and 10,660

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Solution

The fourth proportional to 43,939.68, 65,908.96 and 10,660 is: 15,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.68 : 65,908.96 = 10,660 : x
  2. Step 2: Convert to fraction form
    43,939.68/65,908.96 = 10,660/x
  3. Step 3: Cross multiply
    43,939.68x = 65,908.96 × 10,660
  4. Step 4: Simplify right side
    43,939.68x = 702,589,513.60
  5. Step 5: Solve for x
    x = 702,589,513.60/43,939.68
  6. Step 6: Final answer
    x = 15,989.86

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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.