Home / 34,185.54-51,109.73-28,978.66

Finding the Fourth Proportional to 34,185.54, 51,109.73 and 28,978.66

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Solution

The fourth proportional to 34,185.54, 51,109.73 and 28,978.66 is: 43,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,185.54 : 51,109.73 = 28,978.66 : x
  2. Step 2: Convert to fraction form
    34,185.54/51,109.73 = 28,978.66/x
  3. Step 3: Cross multiply
    34,185.54x = 51,109.73 × 28,978.66
  4. Step 4: Simplify right side
    34,185.54x = 1,481,091,679.03
  5. Step 5: Solve for x
    x = 1,481,091,679.03/34,185.54
  6. Step 6: Final answer
    x = 43,325.09

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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.