Home / 31,396.94-43,327.90-17,968.42

Finding the Fourth Proportional to 31,396.94, 43,327.90 and 17,968.42

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Solution

The fourth proportional to 31,396.94, 43,327.90 and 17,968.42 is: 24,796.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.94 : 43,327.90 = 17,968.42 : x
  2. Step 2: Convert to fraction form
    31,396.94/43,327.90 = 17,968.42/x
  3. Step 3: Cross multiply
    31,396.94x = 43,327.90 × 17,968.42
  4. Step 4: Simplify right side
    31,396.94x = 778,533,598.44
  5. Step 5: Solve for x
    x = 778,533,598.44/31,396.94
  6. Step 6: Final answer
    x = 24,796.48

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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.