Home / 47,809.44-71,664.75-18,219.33

Finding the Fourth Proportional to 47,809.44, 71,664.75 and 18,219.33

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Solution

The fourth proportional to 47,809.44, 71,664.75 and 18,219.33 is: 27,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,809.44 : 71,664.75 = 18,219.33 : x
  2. Step 2: Convert to fraction form
    47,809.44/71,664.75 = 18,219.33/x
  3. Step 3: Cross multiply
    47,809.44x = 71,664.75 × 18,219.33
  4. Step 4: Simplify right side
    47,809.44x = 1,305,683,729.62
  5. Step 5: Solve for x
    x = 1,305,683,729.62/47,809.44
  6. Step 6: Final answer
    x = 27,310.17

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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.