Home / 31,735.44-43,788.60-19,160.88

Finding the Fourth Proportional to 31,735.44, 43,788.60 and 19,160.88

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Solution

The fourth proportional to 31,735.44, 43,788.60 and 19,160.88 is: 26,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,735.44 : 43,788.60 = 19,160.88 : x
  2. Step 2: Convert to fraction form
    31,735.44/43,788.60 = 19,160.88/x
  3. Step 3: Cross multiply
    31,735.44x = 43,788.60 × 19,160.88
  4. Step 4: Simplify right side
    31,735.44x = 839,028,109.97
  5. Step 5: Solve for x
    x = 839,028,109.97/31,735.44
  6. Step 6: Final answer
    x = 26,438.21

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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.