Home / 61,098.62-91,662.23-18,976.55

Finding the Fourth Proportional to 61,098.62, 91,662.23 and 18,976.55

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Solution

The fourth proportional to 61,098.62, 91,662.23 and 18,976.55 is: 28,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,098.62 : 91,662.23 = 18,976.55 : x
  2. Step 2: Convert to fraction form
    61,098.62/91,662.23 = 18,976.55/x
  3. Step 3: Cross multiply
    61,098.62x = 91,662.23 × 18,976.55
  4. Step 4: Simplify right side
    61,098.62x = 1,739,432,479.84
  5. Step 5: Solve for x
    x = 1,739,432,479.84/61,098.62
  6. Step 6: Final answer
    x = 28,469.26

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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.