Home / 31,517.84-43,495.56-17,371.60

Finding the Fourth Proportional to 31,517.84, 43,495.56 and 17,371.60

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Solution

The fourth proportional to 31,517.84, 43,495.56 and 17,371.60 is: 23,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.84 : 43,495.56 = 17,371.60 : x
  2. Step 2: Convert to fraction form
    31,517.84/43,495.56 = 17,371.60/x
  3. Step 3: Cross multiply
    31,517.84x = 43,495.56 × 17,371.60
  4. Step 4: Simplify right side
    31,517.84x = 755,587,470.10
  5. Step 5: Solve for x
    x = 755,587,470.10/31,517.84
  6. Step 6: Final answer
    x = 23,973.33

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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.