Home / 43,676.13-65,539.61-18,373.80

Finding the Fourth Proportional to 43,676.13, 65,539.61 and 18,373.80

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Solution

The fourth proportional to 43,676.13, 65,539.61 and 18,373.80 is: 27,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.13 : 65,539.61 = 18,373.80 : x
  2. Step 2: Convert to fraction form
    43,676.13/65,539.61 = 18,373.80/x
  3. Step 3: Cross multiply
    43,676.13x = 65,539.61 × 18,373.80
  4. Step 4: Simplify right side
    43,676.13x = 1,204,211,686.22
  5. Step 5: Solve for x
    x = 1,204,211,686.22/43,676.13
  6. Step 6: Final answer
    x = 27,571.39

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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.