Home / 39,102.21-58,647.38-12,806.37

Finding the Fourth Proportional to 39,102.21, 58,647.38 and 12,806.37

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Solution

The fourth proportional to 39,102.21, 58,647.38 and 12,806.37 is: 19,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.21 : 58,647.38 = 12,806.37 : x
  2. Step 2: Convert to fraction form
    39,102.21/58,647.38 = 12,806.37/x
  3. Step 3: Cross multiply
    39,102.21x = 58,647.38 × 12,806.37
  4. Step 4: Simplify right side
    39,102.21x = 751,059,983.78
  5. Step 5: Solve for x
    x = 751,059,983.78/39,102.21
  6. Step 6: Final answer
    x = 19,207.61

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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.