Home / 43,939.50-65,917.56-17,646.30

Finding the Fourth Proportional to 43,939.50, 65,917.56 and 17,646.30

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Solution

The fourth proportional to 43,939.50, 65,917.56 and 17,646.30 is: 26,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.50 : 65,917.56 = 17,646.30 : x
  2. Step 2: Convert to fraction form
    43,939.50/65,917.56 = 17,646.30/x
  3. Step 3: Cross multiply
    43,939.50x = 65,917.56 × 17,646.30
  4. Step 4: Simplify right side
    43,939.50x = 1,163,201,039.03
  5. Step 5: Solve for x
    x = 1,163,201,039.03/43,939.50
  6. Step 6: Final answer
    x = 26,472.79

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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.