Home / 31,723.71-43,781.37-17,577.87

Finding the Fourth Proportional to 31,723.71, 43,781.37 and 17,577.87

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Solution

The fourth proportional to 31,723.71, 43,781.37 and 17,577.87 is: 24,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.71 : 43,781.37 = 17,577.87 : x
  2. Step 2: Convert to fraction form
    31,723.71/43,781.37 = 17,577.87/x
  3. Step 3: Cross multiply
    31,723.71x = 43,781.37 × 17,577.87
  4. Step 4: Simplify right side
    31,723.71x = 769,583,230.28
  5. Step 5: Solve for x
    x = 769,583,230.28/31,723.71
  6. Step 6: Final answer
    x = 24,258.93

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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.