Home / 34,351.20-51,496.80-13,305.60

Finding the Fourth Proportional to 34,351.20, 51,496.80 and 13,305.60

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Solution

The fourth proportional to 34,351.20, 51,496.80 and 13,305.60 is: 19,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,351.20 : 51,496.80 = 13,305.60 : x
  2. Step 2: Convert to fraction form
    34,351.20/51,496.80 = 13,305.60/x
  3. Step 3: Cross multiply
    34,351.20x = 51,496.80 × 13,305.60
  4. Step 4: Simplify right side
    34,351.20x = 685,195,822.08
  5. Step 5: Solve for x
    x = 685,195,822.08/34,351.20
  6. Step 6: Final answer
    x = 19,946.78

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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.