Home / 43,797.35-65,644.77-20,107.18

Finding the Fourth Proportional to 43,797.35, 65,644.77 and 20,107.18

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Solution

The fourth proportional to 43,797.35, 65,644.77 and 20,107.18 is: 30,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797.35 : 65,644.77 = 20,107.18 : x
  2. Step 2: Convert to fraction form
    43,797.35/65,644.77 = 20,107.18/x
  3. Step 3: Cross multiply
    43,797.35x = 65,644.77 × 20,107.18
  4. Step 4: Simplify right side
    43,797.35x = 1,319,930,966.93
  5. Step 5: Solve for x
    x = 1,319,930,966.93/43,797.35
  6. Step 6: Final answer
    x = 30,137.24

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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.