Home / 37,121.16-55,690.83-12,162.54

Finding the Fourth Proportional to 37,121.16, 55,690.83 and 12,162.54

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Solution

The fourth proportional to 37,121.16, 55,690.83 and 12,162.54 is: 18,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.16 : 55,690.83 = 12,162.54 : x
  2. Step 2: Convert to fraction form
    37,121.16/55,690.83 = 12,162.54/x
  3. Step 3: Cross multiply
    37,121.16x = 55,690.83 × 12,162.54
  4. Step 4: Simplify right side
    37,121.16x = 677,341,947.51
  5. Step 5: Solve for x
    x = 677,341,947.51/37,121.16
  6. Step 6: Final answer
    x = 18,246.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.