Home / 38,964.24-58,433.10-12,662.46

Finding the Fourth Proportional to 38,964.24, 58,433.10 and 12,662.46

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Solution

The fourth proportional to 38,964.24, 58,433.10 and 12,662.46 is: 18,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,964.24 : 58,433.10 = 12,662.46 : x
  2. Step 2: Convert to fraction form
    38,964.24/58,433.10 = 12,662.46/x
  3. Step 3: Cross multiply
    38,964.24x = 58,433.10 × 12,662.46
  4. Step 4: Simplify right side
    38,964.24x = 739,906,791.43
  5. Step 5: Solve for x
    x = 739,906,791.43/38,964.24
  6. Step 6: Final answer
    x = 18,989.38

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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.