Home / 31,453.20-43,405.26-17,305.98

Finding the Fourth Proportional to 31,453.20, 43,405.26 and 17,305.98

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Solution

The fourth proportional to 31,453.20, 43,405.26 and 17,305.98 is: 23,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.20 : 43,405.26 = 17,305.98 : x
  2. Step 2: Convert to fraction form
    31,453.20/43,405.26 = 17,305.98/x
  3. Step 3: Cross multiply
    31,453.20x = 43,405.26 × 17,305.98
  4. Step 4: Simplify right side
    31,453.20x = 751,170,561.45
  5. Step 5: Solve for x
    x = 751,170,561.45/31,453.20
  6. Step 6: Final answer
    x = 23,882.17

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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.