Home / 31,422.21-43,361.53-17,274.94

Finding the Fourth Proportional to 31,422.21, 43,361.53 and 17,274.94

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Solution

The fourth proportional to 31,422.21, 43,361.53 and 17,274.94 is: 23,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,422.21 : 43,361.53 = 17,274.94 : x
  2. Step 2: Convert to fraction form
    31,422.21/43,361.53 = 17,274.94/x
  3. Step 3: Cross multiply
    31,422.21x = 43,361.53 × 17,274.94
  4. Step 4: Simplify right side
    31,422.21x = 749,067,829.06
  5. Step 5: Solve for x
    x = 749,067,829.06/31,422.21
  6. Step 6: Final answer
    x = 23,838.80

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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.