Home / 43,611.35-65,425.19-21,418.83

Finding the Fourth Proportional to 43,611.35, 65,425.19 and 21,418.83

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Solution

The fourth proportional to 43,611.35, 65,425.19 and 21,418.83 is: 32,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.35 : 65,425.19 = 21,418.83 : x
  2. Step 2: Convert to fraction form
    43,611.35/65,425.19 = 21,418.83/x
  3. Step 3: Cross multiply
    43,611.35x = 65,425.19 × 21,418.83
  4. Step 4: Simplify right side
    43,611.35x = 1,401,330,915.23
  5. Step 5: Solve for x
    x = 1,401,330,915.23/43,611.35
  6. Step 6: Final answer
    x = 32,132.26

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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.