Home / 73,282.40-109,930.56-19,975.04

Finding the Fourth Proportional to 73,282.40, 109,930.56 and 19,975.04

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Solution

The fourth proportional to 73,282.40, 109,930.56 and 19,975.04 is: 29,964.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,282.40 : 109,930.56 = 19,975.04 : x
  2. Step 2: Convert to fraction form
    73,282.40/109,930.56 = 19,975.04/x
  3. Step 3: Cross multiply
    73,282.40x = 109,930.56 × 19,975.04
  4. Step 4: Simplify right side
    73,282.40x = 2,195,867,333.22
  5. Step 5: Solve for x
    x = 2,195,867,333.22/73,282.40
  6. Step 6: Final answer
    x = 29,964.46

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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.