Home / 51,194.30-76,786.26-13,749.51

Finding the Fourth Proportional to 51,194.30, 76,786.26 and 13,749.51

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Solution

The fourth proportional to 51,194.30, 76,786.26 and 13,749.51 is: 20,622.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.30 : 76,786.26 = 13,749.51 : x
  2. Step 2: Convert to fraction form
    51,194.30/76,786.26 = 13,749.51/x
  3. Step 3: Cross multiply
    51,194.30x = 76,786.26 × 13,749.51
  4. Step 4: Simplify right side
    51,194.30x = 1,055,773,449.73
  5. Step 5: Solve for x
    x = 1,055,773,449.73/51,194.30
  6. Step 6: Final answer
    x = 20,622.87

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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.