Home / 57,723.41-86,598.11-20,286.07

Finding the Fourth Proportional to 57,723.41, 86,598.11 and 20,286.07

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Solution

The fourth proportional to 57,723.41, 86,598.11 and 20,286.07 is: 30,433.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.41 : 86,598.11 = 20,286.07 : x
  2. Step 2: Convert to fraction form
    57,723.41/86,598.11 = 20,286.07/x
  3. Step 3: Cross multiply
    57,723.41x = 86,598.11 × 20,286.07
  4. Step 4: Simplify right side
    57,723.41x = 1,756,735,321.33
  5. Step 5: Solve for x
    x = 1,756,735,321.33/57,723.41
  6. Step 6: Final answer
    x = 30,433.67

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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.