Home / 39,046.08-58,546.68-12,021.42

Finding the Fourth Proportional to 39,046.08, 58,546.68 and 12,021.42

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Solution

The fourth proportional to 39,046.08, 58,546.68 and 12,021.42 is: 18,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,046.08 : 58,546.68 = 12,021.42 : x
  2. Step 2: Convert to fraction form
    39,046.08/58,546.68 = 12,021.42/x
  3. Step 3: Cross multiply
    39,046.08x = 58,546.68 × 12,021.42
  4. Step 4: Simplify right side
    39,046.08x = 703,814,229.89
  5. Step 5: Solve for x
    x = 703,814,229.89/39,046.08
  6. Step 6: Final answer
    x = 18,025.22

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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.