Home / 51,192.90-76,797.45-17,912.16

Finding the Fourth Proportional to 51,192.90, 76,797.45 and 17,912.16

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Solution

The fourth proportional to 51,192.90, 76,797.45 and 17,912.16 is: 26,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,192.90 : 76,797.45 = 17,912.16 : x
  2. Step 2: Convert to fraction form
    51,192.90/76,797.45 = 17,912.16/x
  3. Step 3: Cross multiply
    51,192.90x = 76,797.45 × 17,912.16
  4. Step 4: Simplify right side
    51,192.90x = 1,375,608,211.99
  5. Step 5: Solve for x
    x = 1,375,608,211.99/51,192.90
  6. Step 6: Final answer
    x = 26,871.07

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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.