Home / 30,817.88-46,205.94-12,086.18

Finding the Fourth Proportional to 30,817.88, 46,205.94 and 12,086.18

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Solution

The fourth proportional to 30,817.88, 46,205.94 and 12,086.18 is: 18,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,817.88 : 46,205.94 = 12,086.18 : x
  2. Step 2: Convert to fraction form
    30,817.88/46,205.94 = 12,086.18/x
  3. Step 3: Cross multiply
    30,817.88x = 46,205.94 × 12,086.18
  4. Step 4: Simplify right side
    30,817.88x = 558,453,307.91
  5. Step 5: Solve for x
    x = 558,453,307.91/30,817.88
  6. Step 6: Final answer
    x = 18,121.08

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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.