Home / 30,767.21-46,150.15-8,579.99

Finding the Fourth Proportional to 30,767.21, 46,150.15 and 8,579.99

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Solution

The fourth proportional to 30,767.21, 46,150.15 and 8,579.99 is: 12,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767.21 : 46,150.15 = 8,579.99 : x
  2. Step 2: Convert to fraction form
    30,767.21/46,150.15 = 8,579.99/x
  3. Step 3: Cross multiply
    30,767.21x = 46,150.15 × 8,579.99
  4. Step 4: Simplify right side
    30,767.21x = 395,967,782.60
  5. Step 5: Solve for x
    x = 395,967,782.60/30,767.21
  6. Step 6: Final answer
    x = 12,869.80

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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.