Home / 39,163.68-58,753.92-12,867.36

Finding the Fourth Proportional to 39,163.68, 58,753.92 and 12,867.36

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Solution

The fourth proportional to 39,163.68, 58,753.92 and 12,867.36 is: 19,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,163.68 : 58,753.92 = 12,867.36 : x
  2. Step 2: Convert to fraction form
    39,163.68/58,753.92 = 12,867.36/x
  3. Step 3: Cross multiply
    39,163.68x = 58,753.92 × 12,867.36
  4. Step 4: Simplify right side
    39,163.68x = 756,007,840.05
  5. Step 5: Solve for x
    x = 756,007,840.05/39,163.68
  6. Step 6: Final answer
    x = 19,303.80

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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.