Home / 39,832.45-59,757.67-13,178.37

Finding the Fourth Proportional to 39,832.45, 59,757.67 and 13,178.37

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Solution

The fourth proportional to 39,832.45, 59,757.67 and 13,178.37 is: 19,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.45 : 59,757.67 = 13,178.37 : x
  2. Step 2: Convert to fraction form
    39,832.45/59,757.67 = 13,178.37/x
  3. Step 3: Cross multiply
    39,832.45x = 59,757.67 × 13,178.37
  4. Step 4: Simplify right side
    39,832.45x = 787,508,867.94
  5. Step 5: Solve for x
    x = 787,508,867.94/39,832.45
  6. Step 6: Final answer
    x = 19,770.54

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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.