Home / 30,812.88-46,198.44-12,081.18

Finding the Fourth Proportional to 30,812.88, 46,198.44 and 12,081.18

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Solution

The fourth proportional to 30,812.88, 46,198.44 and 12,081.18 is: 18,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.88 : 46,198.44 = 12,081.18 : x
  2. Step 2: Convert to fraction form
    30,812.88/46,198.44 = 12,081.18/x
  3. Step 3: Cross multiply
    30,812.88x = 46,198.44 × 12,081.18
  4. Step 4: Simplify right side
    30,812.88x = 558,131,669.36
  5. Step 5: Solve for x
    x = 558,131,669.36/30,812.88
  6. Step 6: Final answer
    x = 18,113.58

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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.