Home / 31,684.25-47,539.13-11,968.44

Finding the Fourth Proportional to 31,684.25, 47,539.13 and 11,968.44

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Solution

The fourth proportional to 31,684.25, 47,539.13 and 11,968.44 is: 17,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,684.25 : 47,539.13 = 11,968.44 : x
  2. Step 2: Convert to fraction form
    31,684.25/47,539.13 = 11,968.44/x
  3. Step 3: Cross multiply
    31,684.25x = 47,539.13 × 11,968.44
  4. Step 4: Simplify right side
    31,684.25x = 568,969,165.22
  5. Step 5: Solve for x
    x = 568,969,165.22/31,684.25
  6. Step 6: Final answer
    x = 17,957.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.