Home / 43,350.06-65,025.11-12,185.31

Finding the Fourth Proportional to 43,350.06, 65,025.11 and 12,185.31

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Solution

The fourth proportional to 43,350.06, 65,025.11 and 12,185.31 is: 18,277.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,350.06 : 65,025.11 = 12,185.31 : x
  2. Step 2: Convert to fraction form
    43,350.06/65,025.11 = 12,185.31/x
  3. Step 3: Cross multiply
    43,350.06x = 65,025.11 × 12,185.31
  4. Step 4: Simplify right side
    43,350.06x = 792,351,123.13
  5. Step 5: Solve for x
    x = 792,351,123.13/43,350.06
  6. Step 6: Final answer
    x = 18,277.97

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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.