Home / 32,986.44-45,521.79-18,839.31

Finding the Fourth Proportional to 32,986.44, 45,521.79 and 18,839.31

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Solution

The fourth proportional to 32,986.44, 45,521.79 and 18,839.31 is: 25,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986.44 : 45,521.79 = 18,839.31 : x
  2. Step 2: Convert to fraction form
    32,986.44/45,521.79 = 18,839.31/x
  3. Step 3: Cross multiply
    32,986.44x = 45,521.79 × 18,839.31
  4. Step 4: Simplify right side
    32,986.44x = 857,599,113.56
  5. Step 5: Solve for x
    x = 857,599,113.56/32,986.44
  6. Step 6: Final answer
    x = 25,998.53

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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.