Home / 57,682.46-86,523.18-18,239.60

Finding the Fourth Proportional to 57,682.46, 86,523.18 and 18,239.60

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Solution

The fourth proportional to 57,682.46, 86,523.18 and 18,239.60 is: 27,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,682.46 : 86,523.18 = 18,239.60 : x
  2. Step 2: Convert to fraction form
    57,682.46/86,523.18 = 18,239.60/x
  3. Step 3: Cross multiply
    57,682.46x = 86,523.18 × 18,239.60
  4. Step 4: Simplify right side
    57,682.46x = 1,578,148,193.93
  5. Step 5: Solve for x
    x = 1,578,148,193.93/57,682.46
  6. Step 6: Final answer
    x = 27,359.24

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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.