Home / 40,752.92-61,135.06-18,571.88

Finding the Fourth Proportional to 40,752.92, 61,135.06 and 18,571.88

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Solution

The fourth proportional to 40,752.92, 61,135.06 and 18,571.88 is: 27,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752.92 : 61,135.06 = 18,571.88 : x
  2. Step 2: Convert to fraction form
    40,752.92/61,135.06 = 18,571.88/x
  3. Step 3: Cross multiply
    40,752.92x = 61,135.06 × 18,571.88
  4. Step 4: Simplify right side
    40,752.92x = 1,135,392,998.11
  5. Step 5: Solve for x
    x = 1,135,392,998.11/40,752.92
  6. Step 6: Final answer
    x = 27,860.41

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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.