Home / 51,194.45-76,786.49-13,749.66

Finding the Fourth Proportional to 51,194.45, 76,786.49 and 13,749.66

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Solution

The fourth proportional to 51,194.45, 76,786.49 and 13,749.66 is: 20,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.45 : 76,786.49 = 13,749.66 : x
  2. Step 2: Convert to fraction form
    51,194.45/76,786.49 = 13,749.66/x
  3. Step 3: Cross multiply
    51,194.45x = 76,786.49 × 13,749.66
  4. Step 4: Simplify right side
    51,194.45x = 1,055,788,130.09
  5. Step 5: Solve for x
    x = 1,055,788,130.09/51,194.45
  6. Step 6: Final answer
    x = 20,623.10

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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.