Home / 51,193.40-76,798.20-17,912.66

Finding the Fourth Proportional to 51,193.40, 76,798.20 and 17,912.66

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Solution

The fourth proportional to 51,193.40, 76,798.20 and 17,912.66 is: 26,871.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,193.40 : 76,798.20 = 17,912.66 : x
  2. Step 2: Convert to fraction form
    51,193.40/76,798.20 = 17,912.66/x
  3. Step 3: Cross multiply
    51,193.40x = 76,798.20 × 17,912.66
  4. Step 4: Simplify right side
    51,193.40x = 1,375,660,045.21
  5. Step 5: Solve for x
    x = 1,375,660,045.21/51,193.40
  6. Step 6: Final answer
    x = 26,871.82

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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.