Home / 30,090.15-41,524.74-16,661.66

Finding the Fourth Proportional to 30,090.15, 41,524.74 and 16,661.66

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Solution

The fourth proportional to 30,090.15, 41,524.74 and 16,661.66 is: 22,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,090.15 : 41,524.74 = 16,661.66 : x
  2. Step 2: Convert to fraction form
    30,090.15/41,524.74 = 16,661.66/x
  3. Step 3: Cross multiply
    30,090.15x = 41,524.74 × 16,661.66
  4. Step 4: Simplify right side
    30,090.15x = 691,870,891.84
  5. Step 5: Solve for x
    x = 691,870,891.84/30,090.15
  6. Step 6: Final answer
    x = 22,993.27

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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.