Home / 31,535.26-43,519.46-18,109.11

Finding the Fourth Proportional to 31,535.26, 43,519.46 and 18,109.11

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Solution

The fourth proportional to 31,535.26, 43,519.46 and 18,109.11 is: 24,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.26 : 43,519.46 = 18,109.11 : x
  2. Step 2: Convert to fraction form
    31,535.26/43,519.46 = 18,109.11/x
  3. Step 3: Cross multiply
    31,535.26x = 43,519.46 × 18,109.11
  4. Step 4: Simplify right side
    31,535.26x = 788,098,688.28
  5. Step 5: Solve for x
    x = 788,098,688.28/31,535.26
  6. Step 6: Final answer
    x = 24,991.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.