Home / 34,480.80-51,721.20-11,109.60

Finding the Fourth Proportional to 34,480.80, 51,721.20 and 11,109.60

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Solution

The fourth proportional to 34,480.80, 51,721.20 and 11,109.60 is: 16,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,480.80 : 51,721.20 = 11,109.60 : x
  2. Step 2: Convert to fraction form
    34,480.80/51,721.20 = 11,109.60/x
  3. Step 3: Cross multiply
    34,480.80x = 51,721.20 × 11,109.60
  4. Step 4: Simplify right side
    34,480.80x = 574,601,843.52
  5. Step 5: Solve for x
    x = 574,601,843.52/34,480.80
  6. Step 6: Final answer
    x = 16,664.40

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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.