Home / 43,821.40-65,634.90-17,512.60

Finding the Fourth Proportional to 43,821.40, 65,634.90 and 17,512.60

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Solution

The fourth proportional to 43,821.40, 65,634.90 and 17,512.60 is: 26,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.40 : 65,634.90 = 17,512.60 : x
  2. Step 2: Convert to fraction form
    43,821.40/65,634.90 = 17,512.60/x
  3. Step 3: Cross multiply
    43,821.40x = 65,634.90 × 17,512.60
  4. Step 4: Simplify right side
    43,821.40x = 1,149,437,749.74
  5. Step 5: Solve for x
    x = 1,149,437,749.74/43,821.40
  6. Step 6: Final answer
    x = 26,230.06

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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.