Home / 54,629.19-81,929.20-15,188.46

Finding the Fourth Proportional to 54,629.19, 81,929.20 and 15,188.46

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Solution

The fourth proportional to 54,629.19, 81,929.20 and 15,188.46 is: 22,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.19 : 81,929.20 = 15,188.46 : x
  2. Step 2: Convert to fraction form
    54,629.19/81,929.20 = 15,188.46/x
  3. Step 3: Cross multiply
    54,629.19x = 81,929.20 × 15,188.46
  4. Step 4: Simplify right side
    54,629.19x = 1,244,378,377.03
  5. Step 5: Solve for x
    x = 1,244,378,377.03/54,629.19
  6. Step 6: Final answer
    x = 22,778.63

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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.