Home / 43,676.77-65,460.36-18,687.46

Finding the Fourth Proportional to 43,676.77, 65,460.36 and 18,687.46

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Solution

The fourth proportional to 43,676.77, 65,460.36 and 18,687.46 is: 28,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.77 : 65,460.36 = 18,687.46 : x
  2. Step 2: Convert to fraction form
    43,676.77/65,460.36 = 18,687.46/x
  3. Step 3: Cross multiply
    43,676.77x = 65,460.36 × 18,687.46
  4. Step 4: Simplify right side
    43,676.77x = 1,223,287,859.09
  5. Step 5: Solve for x
    x = 1,223,287,859.09/43,676.77
  6. Step 6: Final answer
    x = 28,007.75

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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.