Home / 30,197.89-41,671.70-16,770.00

Finding the Fourth Proportional to 30,197.89, 41,671.70 and 16,770.00

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Solution

The fourth proportional to 30,197.89, 41,671.70 and 16,770.00 is: 23,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.89 : 41,671.70 = 16,770.00 : x
  2. Step 2: Convert to fraction form
    30,197.89/41,671.70 = 16,770.00/x
  3. Step 3: Cross multiply
    30,197.89x = 41,671.70 × 16,770.00
  4. Step 4: Simplify right side
    30,197.89x = 698,834,544.31
  5. Step 5: Solve for x
    x = 698,834,544.31/30,197.89
  6. Step 6: Final answer
    x = 23,141.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.