Home / 31,695.64-43,735.62-18,265.84

Finding the Fourth Proportional to 31,695.64, 43,735.62 and 18,265.84

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Solution

The fourth proportional to 31,695.64, 43,735.62 and 18,265.84 is: 25,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,695.64 : 43,735.62 = 18,265.84 : x
  2. Step 2: Convert to fraction form
    31,695.64/43,735.62 = 18,265.84/x
  3. Step 3: Cross multiply
    31,695.64x = 43,735.62 × 18,265.84
  4. Step 4: Simplify right side
    31,695.64x = 798,867,837.22
  5. Step 5: Solve for x
    x = 798,867,837.22/31,695.64
  6. Step 6: Final answer
    x = 25,204.34

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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.