Home / 74,530.62-111,794.94-18,371.40

Finding the Fourth Proportional to 74,530.62, 111,794.94 and 18,371.40

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Solution

The fourth proportional to 74,530.62, 111,794.94 and 18,371.40 is: 27,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,530.62 : 111,794.94 = 18,371.40 : x
  2. Step 2: Convert to fraction form
    74,530.62/111,794.94 = 18,371.40/x
  3. Step 3: Cross multiply
    74,530.62x = 111,794.94 × 18,371.40
  4. Step 4: Simplify right side
    74,530.62x = 2,053,829,560.72
  5. Step 5: Solve for x
    x = 2,053,829,560.72/74,530.62
  6. Step 6: Final answer
    x = 27,556.86

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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.