Home / 54,629.45-81,924.31-19,080.81

Finding the Fourth Proportional to 54,629.45, 81,924.31 and 19,080.81

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Solution

The fourth proportional to 54,629.45, 81,924.31 and 19,080.81 is: 28,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.45 : 81,924.31 = 19,080.81 : x
  2. Step 2: Convert to fraction form
    54,629.45/81,924.31 = 19,080.81/x
  3. Step 3: Cross multiply
    54,629.45x = 81,924.31 × 19,080.81
  4. Step 4: Simplify right side
    54,629.45x = 1,563,182,217.34
  5. Step 5: Solve for x
    x = 1,563,182,217.34/54,629.45
  6. Step 6: Final answer
    x = 28,614.28

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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.