Home / 31,982.85-44,136.23-18,561.96

Finding the Fourth Proportional to 31,982.85, 44,136.23 and 18,561.96

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Solution

The fourth proportional to 31,982.85, 44,136.23 and 18,561.96 is: 25,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.85 : 44,136.23 = 18,561.96 : x
  2. Step 2: Convert to fraction form
    31,982.85/44,136.23 = 18,561.96/x
  3. Step 3: Cross multiply
    31,982.85x = 44,136.23 × 18,561.96
  4. Step 4: Simplify right side
    31,982.85x = 819,254,843.00
  5. Step 5: Solve for x
    x = 819,254,843.00/31,982.85
  6. Step 6: Final answer
    x = 25,615.44

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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.