Home / 30,189.70-41,661.62-16,760.98

Finding the Fourth Proportional to 30,189.70, 41,661.62 and 16,760.98

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Solution

The fourth proportional to 30,189.70, 41,661.62 and 16,760.98 is: 23,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.70 : 41,661.62 = 16,760.98 : x
  2. Step 2: Convert to fraction form
    30,189.70/41,661.62 = 16,760.98/x
  3. Step 3: Cross multiply
    30,189.70x = 41,661.62 × 16,760.98
  4. Step 4: Simplify right side
    30,189.70x = 698,289,579.59
  5. Step 5: Solve for x
    x = 698,289,579.59/30,189.70
  6. Step 6: Final answer
    x = 23,130.06

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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.