Home / 31,217.84-43,083.56-17,072.80

Finding the Fourth Proportional to 31,217.84, 43,083.56 and 17,072.80

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Solution

The fourth proportional to 31,217.84, 43,083.56 and 17,072.80 is: 23,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.84 : 43,083.56 = 17,072.80 : x
  2. Step 2: Convert to fraction form
    31,217.84/43,083.56 = 17,072.80/x
  3. Step 3: Cross multiply
    31,217.84x = 43,083.56 × 17,072.80
  4. Step 4: Simplify right side
    31,217.84x = 735,557,003.17
  5. Step 5: Solve for x
    x = 735,557,003.17/31,217.84
  6. Step 6: Final answer
    x = 23,562.07

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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.