Home / 30,268.68-41,771.26-16,840.09

Finding the Fourth Proportional to 30,268.68, 41,771.26 and 16,840.09

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Solution

The fourth proportional to 30,268.68, 41,771.26 and 16,840.09 is: 23,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.68 : 41,771.26 = 16,840.09 : x
  2. Step 2: Convert to fraction form
    30,268.68/41,771.26 = 16,840.09/x
  3. Step 3: Cross multiply
    30,268.68x = 41,771.26 × 16,840.09
  4. Step 4: Simplify right side
    30,268.68x = 703,431,777.81
  5. Step 5: Solve for x
    x = 703,431,777.81/30,268.68
  6. Step 6: Final answer
    x = 23,239.59

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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.