Home / 31,188.83-43,040.63-17,041.37

Finding the Fourth Proportional to 31,188.83, 43,040.63 and 17,041.37

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Solution

The fourth proportional to 31,188.83, 43,040.63 and 17,041.37 is: 23,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.83 : 43,040.63 = 17,041.37 : x
  2. Step 2: Convert to fraction form
    31,188.83/43,040.63 = 17,041.37/x
  3. Step 3: Cross multiply
    31,188.83x = 43,040.63 × 17,041.37
  4. Step 4: Simplify right side
    31,188.83x = 733,471,128.26
  5. Step 5: Solve for x
    x = 733,471,128.26/31,188.83
  6. Step 6: Final answer
    x = 23,517.11

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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.