Home / 31,619.37-43,634.20-17,278.89

Finding the Fourth Proportional to 31,619.37, 43,634.20 and 17,278.89

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Solution

The fourth proportional to 31,619.37, 43,634.20 and 17,278.89 is: 23,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.37 : 43,634.20 = 17,278.89 : x
  2. Step 2: Convert to fraction form
    31,619.37/43,634.20 = 17,278.89/x
  3. Step 3: Cross multiply
    31,619.37x = 43,634.20 × 17,278.89
  4. Step 4: Simplify right side
    31,619.37x = 753,950,542.04
  5. Step 5: Solve for x
    x = 753,950,542.04/31,619.37
  6. Step 6: Final answer
    x = 23,844.58

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1.5x scale

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.