Home / 30,769.21-46,153.14-8,581.99

Finding the Fourth Proportional to 30,769.21, 46,153.14 and 8,581.99

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Solution

The fourth proportional to 30,769.21, 46,153.14 and 8,581.99 is: 12,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.21 : 46,153.14 = 8,581.99 : x
  2. Step 2: Convert to fraction form
    30,769.21/46,153.14 = 8,581.99/x
  3. Step 3: Cross multiply
    30,769.21x = 46,153.14 × 8,581.99
  4. Step 4: Simplify right side
    30,769.21x = 396,085,785.95
  5. Step 5: Solve for x
    x = 396,085,785.95/30,769.21
  6. Step 6: Final answer
    x = 12,872.80

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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.