Home / 31,326.56-43,227.24-17,179.28

Finding the Fourth Proportional to 31,326.56, 43,227.24 and 17,179.28

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Solution

The fourth proportional to 31,326.56, 43,227.24 and 17,179.28 is: 23,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,326.56 : 43,227.24 = 17,179.28 : x
  2. Step 2: Convert to fraction form
    31,326.56/43,227.24 = 17,179.28/x
  3. Step 3: Cross multiply
    31,326.56x = 43,227.24 × 17,179.28
  4. Step 4: Simplify right side
    31,326.56x = 742,612,859.59
  5. Step 5: Solve for x
    x = 742,612,859.59/31,326.56
  6. Step 6: Final answer
    x = 23,705.53

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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.