Home / 57,039.36-85,533.12-17,589.12

Finding the Fourth Proportional to 57,039.36, 85,533.12 and 17,589.12

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Solution

The fourth proportional to 57,039.36, 85,533.12 and 17,589.12 is: 26,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,039.36 : 85,533.12 = 17,589.12 : x
  2. Step 2: Convert to fraction form
    57,039.36/85,533.12 = 17,589.12/x
  3. Step 3: Cross multiply
    57,039.36x = 85,533.12 × 17,589.12
  4. Step 4: Simplify right side
    57,039.36x = 1,504,452,311.65
  5. Step 5: Solve for x
    x = 1,504,452,311.65/57,039.36
  6. Step 6: Final answer
    x = 26,375.69

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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.