Home / 31,508.51-43,481.90-17,361.32

Finding the Fourth Proportional to 31,508.51, 43,481.90 and 17,361.32

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Solution

The fourth proportional to 31,508.51, 43,481.90 and 17,361.32 is: 23,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.51 : 43,481.90 = 17,361.32 : x
  2. Step 2: Convert to fraction form
    31,508.51/43,481.90 = 17,361.32/x
  3. Step 3: Cross multiply
    31,508.51x = 43,481.90 × 17,361.32
  4. Step 4: Simplify right side
    31,508.51x = 754,903,180.11
  5. Step 5: Solve for x
    x = 754,903,180.11/31,508.51
  6. Step 6: Final answer
    x = 23,958.71

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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.