Home / 34,107.06-51,192.59-20,985.06

Finding the Fourth Proportional to 34,107.06, 51,192.59 and 20,985.06

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Solution

The fourth proportional to 34,107.06, 51,192.59 and 20,985.06 is: 31,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.06 : 51,192.59 = 20,985.06 : x
  2. Step 2: Convert to fraction form
    34,107.06/51,192.59 = 20,985.06/x
  3. Step 3: Cross multiply
    34,107.06x = 51,192.59 × 20,985.06
  4. Step 4: Simplify right side
    34,107.06x = 1,074,279,467.78
  5. Step 5: Solve for x
    x = 1,074,279,467.78/34,107.06
  6. Step 6: Final answer
    x = 31,497.28

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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.