Home / 39,201.72-58,811.70-12,906.69

Finding the Fourth Proportional to 39,201.72, 58,811.70 and 12,906.69

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Solution

The fourth proportional to 39,201.72, 58,811.70 and 12,906.69 is: 19,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.72 : 58,811.70 = 12,906.69 : x
  2. Step 2: Convert to fraction form
    39,201.72/58,811.70 = 12,906.69/x
  3. Step 3: Cross multiply
    39,201.72x = 58,811.70 × 12,906.69
  4. Step 4: Simplify right side
    39,201.72x = 759,064,380.27
  5. Step 5: Solve for x
    x = 759,064,380.27/39,201.72
  6. Step 6: Final answer
    x = 19,363.04

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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.