Home / 34,108.06-51,194.09-20,986.06

Finding the Fourth Proportional to 34,108.06, 51,194.09 and 20,986.06

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Solution

The fourth proportional to 34,108.06, 51,194.09 and 20,986.06 is: 31,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,108.06 : 51,194.09 = 20,986.06 : x
  2. Step 2: Convert to fraction form
    34,108.06/51,194.09 = 20,986.06/x
  3. Step 3: Cross multiply
    34,108.06x = 51,194.09 × 20,986.06
  4. Step 4: Simplify right side
    34,108.06x = 1,074,362,139.46
  5. Step 5: Solve for x
    x = 1,074,362,139.46/34,108.06
  6. Step 6: Final answer
    x = 31,498.78

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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.