Home / 30,268.19-41,758.83-18,933.39

Finding the Fourth Proportional to 30,268.19, 41,758.83 and 18,933.39

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Solution

The fourth proportional to 30,268.19, 41,758.83 and 18,933.39 is: 26,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.19 : 41,758.83 = 18,933.39 : x
  2. Step 2: Convert to fraction form
    30,268.19/41,758.83 = 18,933.39/x
  3. Step 3: Cross multiply
    30,268.19x = 41,758.83 × 18,933.39
  4. Step 4: Simplify right side
    30,268.19x = 790,636,214.33
  5. Step 5: Solve for x
    x = 790,636,214.33/30,268.19
  6. Step 6: Final answer
    x = 26,121.03

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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.