Home / 31,725.44-43,801.26-19,806.29

Finding the Fourth Proportional to 31,725.44, 43,801.26 and 19,806.29

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Solution

The fourth proportional to 31,725.44, 43,801.26 and 19,806.29 is: 27,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.44 : 43,801.26 = 19,806.29 : x
  2. Step 2: Convert to fraction form
    31,725.44/43,801.26 = 19,806.29/x
  3. Step 3: Cross multiply
    31,725.44x = 43,801.26 × 19,806.29
  4. Step 4: Simplify right side
    31,725.44x = 867,540,328.90
  5. Step 5: Solve for x
    x = 867,540,328.90/31,725.44
  6. Step 6: Final answer
    x = 27,345.26

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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.