Home / 37,578.94-56,369.33-12,619.81

Finding the Fourth Proportional to 37,578.94, 56,369.33 and 12,619.81

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Solution

The fourth proportional to 37,578.94, 56,369.33 and 12,619.81 is: 18,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,578.94 : 56,369.33 = 12,619.81 : x
  2. Step 2: Convert to fraction form
    37,578.94/56,369.33 = 12,619.81/x
  3. Step 3: Cross multiply
    37,578.94x = 56,369.33 × 12,619.81
  4. Step 4: Simplify right side
    37,578.94x = 711,370,234.43
  5. Step 5: Solve for x
    x = 711,370,234.43/37,578.94
  6. Step 6: Final answer
    x = 18,930.02

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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.