Home / 31,422.60-43,361.38-17,275.44

Finding the Fourth Proportional to 31,422.60, 43,361.38 and 17,275.44

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Solution

The fourth proportional to 31,422.60, 43,361.38 and 17,275.44 is: 23,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.60 : 43,361.38 = 17,275.44 : x
  2. Step 2: Convert to fraction form
    31,422.60/43,361.38 = 17,275.44/x
  3. Step 3: Cross multiply
    31,422.60x = 43,361.38 × 17,275.44
  4. Step 4: Simplify right side
    31,422.60x = 749,086,918.51
  5. Step 5: Solve for x
    x = 749,086,918.51/31,422.60
  6. Step 6: Final answer
    x = 23,839.11

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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.