Home / 30,190.16-41,663.50-16,761.62

Finding the Fourth Proportional to 30,190.16, 41,663.50 and 16,761.62

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Solution

The fourth proportional to 30,190.16, 41,663.50 and 16,761.62 is: 23,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.16 : 41,663.50 = 16,761.62 : x
  2. Step 2: Convert to fraction form
    30,190.16/41,663.50 = 16,761.62/x
  3. Step 3: Cross multiply
    30,190.16x = 41,663.50 × 16,761.62
  4. Step 4: Simplify right side
    30,190.16x = 698,347,817.12
  5. Step 5: Solve for x
    x = 698,347,817.12/30,190.16
  6. Step 6: Final answer
    x = 23,131.63

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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.