Home / 31,872.67-43,983.66-17,725.21

Finding the Fourth Proportional to 31,872.67, 43,983.66 and 17,725.21

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Solution

The fourth proportional to 31,872.67, 43,983.66 and 17,725.21 is: 24,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.67 : 43,983.66 = 17,725.21 : x
  2. Step 2: Convert to fraction form
    31,872.67/43,983.66 = 17,725.21/x
  3. Step 3: Cross multiply
    31,872.67x = 43,983.66 × 17,725.21
  4. Step 4: Simplify right side
    31,872.67x = 779,619,610.07
  5. Step 5: Solve for x
    x = 779,619,610.07/31,872.67
  6. Step 6: Final answer
    x = 24,460.44

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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.