Home / 39,054.92-58,588.08-12,392

Finding the Fourth Proportional to 39,054.92, 58,588.08 and 12,392

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Solution

The fourth proportional to 39,054.92, 58,588.08 and 12,392 is: 18,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,054.92 : 58,588.08 = 12,392 : x
  2. Step 2: Convert to fraction form
    39,054.92/58,588.08 = 12,392/x
  3. Step 3: Cross multiply
    39,054.92x = 58,588.08 × 12,392
  4. Step 4: Simplify right side
    39,054.92x = 726,023,487.36
  5. Step 5: Solve for x
    x = 726,023,487.36/39,054.92
  6. Step 6: Final answer
    x = 18,589.81

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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.