Home / 53,861.21-80,797.35-20,609.24

Finding the Fourth Proportional to 53,861.21, 80,797.35 and 20,609.24

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Solution

The fourth proportional to 53,861.21, 80,797.35 and 20,609.24 is: 30,915.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.21 : 80,797.35 = 20,609.24 : x
  2. Step 2: Convert to fraction form
    53,861.21/80,797.35 = 20,609.24/x
  3. Step 3: Cross multiply
    53,861.21x = 80,797.35 × 20,609.24
  4. Step 4: Simplify right side
    53,861.21x = 1,665,171,573.53
  5. Step 5: Solve for x
    x = 1,665,171,573.53/53,861.21
  6. Step 6: Final answer
    x = 30,915.97

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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.