Home / 57,683.46-86,524.68-18,240.60

Finding the Fourth Proportional to 57,683.46, 86,524.68 and 18,240.60

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Solution

The fourth proportional to 57,683.46, 86,524.68 and 18,240.60 is: 27,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,683.46 : 86,524.68 = 18,240.60 : x
  2. Step 2: Convert to fraction form
    57,683.46/86,524.68 = 18,240.60/x
  3. Step 3: Cross multiply
    57,683.46x = 86,524.68 × 18,240.60
  4. Step 4: Simplify right side
    57,683.46x = 1,578,262,078.01
  5. Step 5: Solve for x
    x = 1,578,262,078.01/57,683.46
  6. Step 6: Final answer
    x = 27,360.74

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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.