Home / 57,286.08-85,940.64-17,841.60

Finding the Fourth Proportional to 57,286.08, 85,940.64 and 17,841.60

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Solution

The fourth proportional to 57,286.08, 85,940.64 and 17,841.60 is: 26,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,286.08 : 85,940.64 = 17,841.60 : x
  2. Step 2: Convert to fraction form
    57,286.08/85,940.64 = 17,841.60/x
  3. Step 3: Cross multiply
    57,286.08x = 85,940.64 × 17,841.60
  4. Step 4: Simplify right side
    57,286.08x = 1,533,318,522.62
  5. Step 5: Solve for x
    x = 1,533,318,522.62/57,286.08
  6. Step 6: Final answer
    x = 26,765.99

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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.