Home / 34,651.43-51,981.21-12,155.23

Finding the Fourth Proportional to 34,651.43, 51,981.21 and 12,155.23

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Solution

The fourth proportional to 34,651.43, 51,981.21 and 12,155.23 is: 18,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,651.43 : 51,981.21 = 12,155.23 : x
  2. Step 2: Convert to fraction form
    34,651.43/51,981.21 = 12,155.23/x
  3. Step 3: Cross multiply
    34,651.43x = 51,981.21 × 12,155.23
  4. Step 4: Simplify right side
    34,651.43x = 631,843,628.20
  5. Step 5: Solve for x
    x = 631,843,628.20/34,651.43
  6. Step 6: Final answer
    x = 18,234.27

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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.