Home / 30,481.02-45,669.20-27,399.50

Finding the Fourth Proportional to 30,481.02, 45,669.20 and 27,399.50

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Solution

The fourth proportional to 30,481.02, 45,669.20 and 27,399.50 is: 41,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.02 : 45,669.20 = 27,399.50 : x
  2. Step 2: Convert to fraction form
    30,481.02/45,669.20 = 27,399.50/x
  3. Step 3: Cross multiply
    30,481.02x = 45,669.20 × 27,399.50
  4. Step 4: Simplify right side
    30,481.02x = 1,251,313,245.40
  5. Step 5: Solve for x
    x = 1,251,313,245.40/30,481.02
  6. Step 6: Final answer
    x = 41,052.21

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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.