Home / 57,188.22-85,793.12-21,660.18

Finding the Fourth Proportional to 57,188.22, 85,793.12 and 21,660.18

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Solution

The fourth proportional to 57,188.22, 85,793.12 and 21,660.18 is: 32,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.22 : 85,793.12 = 21,660.18 : x
  2. Step 2: Convert to fraction form
    57,188.22/85,793.12 = 21,660.18/x
  3. Step 3: Cross multiply
    57,188.22x = 85,793.12 × 21,660.18
  4. Step 4: Simplify right side
    57,188.22x = 1,858,294,012.24
  5. Step 5: Solve for x
    x = 1,858,294,012.24/57,188.22
  6. Step 6: Final answer
    x = 32,494.35

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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.