Home / 30,268.02-41,790.44-18,942.09

Finding the Fourth Proportional to 30,268.02, 41,790.44 and 18,942.09

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Solution

The fourth proportional to 30,268.02, 41,790.44 and 18,942.09 is: 26,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.02 : 41,790.44 = 18,942.09 : x
  2. Step 2: Convert to fraction form
    30,268.02/41,790.44 = 18,942.09/x
  3. Step 3: Cross multiply
    30,268.02x = 41,790.44 × 18,942.09
  4. Step 4: Simplify right side
    30,268.02x = 791,598,180.91
  5. Step 5: Solve for x
    x = 791,598,180.91/30,268.02
  6. Step 6: Final answer
    x = 26,152.96

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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.