Home / 36,276.90-54,396.01-12,578.41

Finding the Fourth Proportional to 36,276.90, 54,396.01 and 12,578.41

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Solution

The fourth proportional to 36,276.90, 54,396.01 and 12,578.41 is: 18,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,276.90 : 54,396.01 = 12,578.41 : x
  2. Step 2: Convert to fraction form
    36,276.90/54,396.01 = 12,578.41/x
  3. Step 3: Cross multiply
    36,276.90x = 54,396.01 × 12,578.41
  4. Step 4: Simplify right side
    36,276.90x = 684,215,316.14
  5. Step 5: Solve for x
    x = 684,215,316.14/36,276.90
  6. Step 6: Final answer
    x = 18,860.91

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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.