Home / 43,351.41-65,027.11-12,186.66

Finding the Fourth Proportional to 43,351.41, 65,027.11 and 12,186.66

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Solution

The fourth proportional to 43,351.41, 65,027.11 and 12,186.66 is: 18,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.41 : 65,027.11 = 12,186.66 : x
  2. Step 2: Convert to fraction form
    43,351.41/65,027.11 = 12,186.66/x
  3. Step 3: Cross multiply
    43,351.41x = 65,027.11 × 12,186.66
  4. Step 4: Simplify right side
    43,351.41x = 792,463,051.73
  5. Step 5: Solve for x
    x = 792,463,051.73/43,351.41
  6. Step 6: Final answer
    x = 18,279.98

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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.