Home / 30,960.32-46,462.34-12,240.96

Finding the Fourth Proportional to 30,960.32, 46,462.34 and 12,240.96

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Solution

The fourth proportional to 30,960.32, 46,462.34 and 12,240.96 is: 18,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.32 : 46,462.34 = 12,240.96 : x
  2. Step 2: Convert to fraction form
    30,960.32/46,462.34 = 12,240.96/x
  3. Step 3: Cross multiply
    30,960.32x = 46,462.34 × 12,240.96
  4. Step 4: Simplify right side
    30,960.32x = 568,743,584.24
  5. Step 5: Solve for x
    x = 568,743,584.24/30,960.32
  6. Step 6: Final answer
    x = 18,370.08

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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.