Home / 31,198.45-43,053.22-17,051.39

Finding the Fourth Proportional to 31,198.45, 43,053.22 and 17,051.39

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Solution

The fourth proportional to 31,198.45, 43,053.22 and 17,051.39 is: 23,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198.45 : 43,053.22 = 17,051.39 : x
  2. Step 2: Convert to fraction form
    31,198.45/43,053.22 = 17,051.39/x
  3. Step 3: Cross multiply
    31,198.45x = 43,053.22 × 17,051.39
  4. Step 4: Simplify right side
    31,198.45x = 734,117,159.72
  5. Step 5: Solve for x
    x = 734,117,159.72/31,198.45
  6. Step 6: Final answer
    x = 23,530.57

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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.