Home / 45,256.86-67,855.41-20,262.69

Finding the Fourth Proportional to 45,256.86, 67,855.41 and 20,262.69

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Solution

The fourth proportional to 45,256.86, 67,855.41 and 20,262.69 is: 30,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,256.86 : 67,855.41 = 20,262.69 : x
  2. Step 2: Convert to fraction form
    45,256.86/67,855.41 = 20,262.69/x
  3. Step 3: Cross multiply
    45,256.86x = 67,855.41 × 20,262.69
  4. Step 4: Simplify right side
    45,256.86x = 1,374,933,137.65
  5. Step 5: Solve for x
    x = 1,374,933,137.65/45,256.86
  6. Step 6: Final answer
    x = 30,380.66

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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.