Home / 73,276.90-109,922.31-19,969.54

Finding the Fourth Proportional to 73,276.90, 109,922.31 and 19,969.54

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Solution

The fourth proportional to 73,276.90, 109,922.31 and 19,969.54 is: 29,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,276.90 : 109,922.31 = 19,969.54 : x
  2. Step 2: Convert to fraction form
    73,276.90/109,922.31 = 19,969.54/x
  3. Step 3: Cross multiply
    73,276.90x = 109,922.31 × 19,969.54
  4. Step 4: Simplify right side
    73,276.90x = 2,195,097,966.44
  5. Step 5: Solve for x
    x = 2,195,097,966.44/73,276.90
  6. Step 6: Final answer
    x = 29,956.21

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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.