Home / 51,105.06-76,633.26-17,821.02

Finding the Fourth Proportional to 51,105.06, 76,633.26 and 17,821.02

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Solution

The fourth proportional to 51,105.06, 76,633.26 and 17,821.02 is: 26,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.06 : 76,633.26 = 17,821.02 : x
  2. Step 2: Convert to fraction form
    51,105.06/76,633.26 = 17,821.02/x
  3. Step 3: Cross multiply
    51,105.06x = 76,633.26 × 17,821.02
  4. Step 4: Simplify right side
    51,105.06x = 1,365,682,859.13
  5. Step 5: Solve for x
    x = 1,365,682,859.13/51,105.06
  6. Step 6: Final answer
    x = 26,723.05

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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.