Home / 31,198.50-43,054.07-17,051.31

Finding the Fourth Proportional to 31,198.50, 43,054.07 and 17,051.31

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Solution

The fourth proportional to 31,198.50, 43,054.07 and 17,051.31 is: 23,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.50 : 43,054.07 = 17,051.31 : x
  2. Step 2: Convert to fraction form
    31,198.50/43,054.07 = 17,051.31/x
  3. Step 3: Cross multiply
    31,198.50x = 43,054.07 × 17,051.31
  4. Step 4: Simplify right side
    31,198.50x = 734,128,209.08
  5. Step 5: Solve for x
    x = 734,128,209.08/31,198.50
  6. Step 6: Final answer
    x = 23,530.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.