Home / 43,915.50-65,863.40-20,200.27

Finding the Fourth Proportional to 43,915.50, 65,863.40 and 20,200.27

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Solution

The fourth proportional to 43,915.50, 65,863.40 and 20,200.27 is: 30,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.50 : 65,863.40 = 20,200.27 : x
  2. Step 2: Convert to fraction form
    43,915.50/65,863.40 = 20,200.27/x
  3. Step 3: Cross multiply
    43,915.50x = 65,863.40 × 20,200.27
  4. Step 4: Simplify right side
    43,915.50x = 1,330,458,676.63
  5. Step 5: Solve for x
    x = 1,330,458,676.63/43,915.50
  6. Step 6: Final answer
    x = 30,295.88

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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.