Home / 30,188.70-41,660.24-16,759.98

Finding the Fourth Proportional to 30,188.70, 41,660.24 and 16,759.98

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Solution

The fourth proportional to 30,188.70, 41,660.24 and 16,759.98 is: 23,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.70 : 41,660.24 = 16,759.98 : x
  2. Step 2: Convert to fraction form
    30,188.70/41,660.24 = 16,759.98/x
  3. Step 3: Cross multiply
    30,188.70x = 41,660.24 × 16,759.98
  4. Step 4: Simplify right side
    30,188.70x = 698,224,789.20
  5. Step 5: Solve for x
    x = 698,224,789.20/30,188.70
  6. Step 6: Final answer
    x = 23,128.68

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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.