Home / 57,181.60-85,775.76-22,121.44

Finding the Fourth Proportional to 57,181.60, 85,775.76 and 22,121.44

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Solution

The fourth proportional to 57,181.60, 85,775.76 and 22,121.44 is: 33,183.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,181.60 : 85,775.76 = 22,121.44 : x
  2. Step 2: Convert to fraction form
    57,181.60/85,775.76 = 22,121.44/x
  3. Step 3: Cross multiply
    57,181.60x = 85,775.76 × 22,121.44
  4. Step 4: Simplify right side
    57,181.60x = 1,897,483,328.29
  5. Step 5: Solve for x
    x = 1,897,483,328.29/57,181.60
  6. Step 6: Final answer
    x = 33,183.46

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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.