Home / 39,189.06-58,787.73-12,893.82

Finding the Fourth Proportional to 39,189.06, 58,787.73 and 12,893.82

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Solution

The fourth proportional to 39,189.06, 58,787.73 and 12,893.82 is: 19,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,189.06 : 58,787.73 = 12,893.82 : x
  2. Step 2: Convert to fraction form
    39,189.06/58,787.73 = 12,893.82/x
  3. Step 3: Cross multiply
    39,189.06x = 58,787.73 × 12,893.82
  4. Step 4: Simplify right side
    39,189.06x = 757,998,408.83
  5. Step 5: Solve for x
    x = 757,998,408.83/39,189.06
  6. Step 6: Final answer
    x = 19,342.09

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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.