Home / 57,566.21-86,324.61-20,115.05

Finding the Fourth Proportional to 57,566.21, 86,324.61 and 20,115.05

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Solution

The fourth proportional to 57,566.21, 86,324.61 and 20,115.05 is: 30,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,566.21 : 86,324.61 = 20,115.05 : x
  2. Step 2: Convert to fraction form
    57,566.21/86,324.61 = 20,115.05/x
  3. Step 3: Cross multiply
    57,566.21x = 86,324.61 × 20,115.05
  4. Step 4: Simplify right side
    57,566.21x = 1,736,423,846.38
  5. Step 5: Solve for x
    x = 1,736,423,846.38/57,566.21
  6. Step 6: Final answer
    x = 30,163.94

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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.