Home / 57,231.15-85,861.30-17,788.60

Finding the Fourth Proportional to 57,231.15, 85,861.30 and 17,788.60

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Solution

The fourth proportional to 57,231.15, 85,861.30 and 17,788.60 is: 26,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,231.15 : 85,861.30 = 17,788.60 : x
  2. Step 2: Convert to fraction form
    57,231.15/85,861.30 = 17,788.60/x
  3. Step 3: Cross multiply
    57,231.15x = 85,861.30 × 17,788.60
  4. Step 4: Simplify right side
    57,231.15x = 1,527,352,321.18
  5. Step 5: Solve for x
    x = 1,527,352,321.18/57,231.15
  6. Step 6: Final answer
    x = 26,687.43

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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.