Home / 55,035.21-82,541.25-15,581.73

Finding the Fourth Proportional to 55,035.21, 82,541.25 and 15,581.73

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Solution

The fourth proportional to 55,035.21, 82,541.25 and 15,581.73 is: 23,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,035.21 : 82,541.25 = 15,581.73 : x
  2. Step 2: Convert to fraction form
    55,035.21/82,541.25 = 15,581.73/x
  3. Step 3: Cross multiply
    55,035.21x = 82,541.25 × 15,581.73
  4. Step 4: Simplify right side
    55,035.21x = 1,286,135,471.36
  5. Step 5: Solve for x
    x = 1,286,135,471.36/55,035.21
  6. Step 6: Final answer
    x = 23,369.32

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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.