Home / 30,794.88-46,188.48-12,312.96

Finding the Fourth Proportional to 30,794.88, 46,188.48 and 12,312.96

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Solution

The fourth proportional to 30,794.88, 46,188.48 and 12,312.96 is: 18,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,794.88 : 46,188.48 = 12,312.96 : x
  2. Step 2: Convert to fraction form
    30,794.88/46,188.48 = 12,312.96/x
  3. Step 3: Cross multiply
    30,794.88x = 46,188.48 × 12,312.96
  4. Step 4: Simplify right side
    30,794.88x = 568,716,906.70
  5. Step 5: Solve for x
    x = 568,716,906.70/30,794.88
  6. Step 6: Final answer
    x = 18,467.90

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1.5x scale

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.