Home / 42,665.44-63,991.68-16,382.56

Finding the Fourth Proportional to 42,665.44, 63,991.68 and 16,382.56

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Solution

The fourth proportional to 42,665.44, 63,991.68 and 16,382.56 is: 24,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,665.44 : 63,991.68 = 16,382.56 : x
  2. Step 2: Convert to fraction form
    42,665.44/63,991.68 = 16,382.56/x
  3. Step 3: Cross multiply
    42,665.44x = 63,991.68 × 16,382.56
  4. Step 4: Simplify right side
    42,665.44x = 1,048,347,537.10
  5. Step 5: Solve for x
    x = 1,048,347,537.10/42,665.44
  6. Step 6: Final answer
    x = 24,571.35

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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.