Home / 30,003.75-41,405.18-16,755.75

Finding the Fourth Proportional to 30,003.75, 41,405.18 and 16,755.75

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Solution

The fourth proportional to 30,003.75, 41,405.18 and 16,755.75 is: 23,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.75 : 41,405.18 = 16,755.75 : x
  2. Step 2: Convert to fraction form
    30,003.75/41,405.18 = 16,755.75/x
  3. Step 3: Cross multiply
    30,003.75x = 41,405.18 × 16,755.75
  4. Step 4: Simplify right side
    30,003.75x = 693,774,844.79
  5. Step 5: Solve for x
    x = 693,774,844.79/30,003.75
  6. Step 6: Final answer
    x = 23,122.94

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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.