Home / 43,673.08-65,539.94-19,983.54

Finding the Fourth Proportional to 43,673.08, 65,539.94 and 19,983.54

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Solution

The fourth proportional to 43,673.08, 65,539.94 and 19,983.54 is: 29,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,673.08 : 65,539.94 = 19,983.54 : x
  2. Step 2: Convert to fraction form
    43,673.08/65,539.94 = 19,983.54/x
  3. Step 3: Cross multiply
    43,673.08x = 65,539.94 × 19,983.54
  4. Step 4: Simplify right side
    43,673.08x = 1,309,720,012.59
  5. Step 5: Solve for x
    x = 1,309,720,012.59/43,673.08
  6. Step 6: Final answer
    x = 29,989.18

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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.