Home / 54,629.71-81,953.21-19,100.88

Finding the Fourth Proportional to 54,629.71, 81,953.21 and 19,100.88

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Solution

The fourth proportional to 54,629.71, 81,953.21 and 19,100.88 is: 28,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.71 : 81,953.21 = 19,100.88 : x
  2. Step 2: Convert to fraction form
    54,629.71/81,953.21 = 19,100.88/x
  3. Step 3: Cross multiply
    54,629.71x = 81,953.21 × 19,100.88
  4. Step 4: Simplify right side
    54,629.71x = 1,565,378,477.58
  5. Step 5: Solve for x
    x = 1,565,378,477.58/54,629.71
  6. Step 6: Final answer
    x = 28,654.34

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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.