Home / 30,268.80-41,766.12-16,839.99

Finding the Fourth Proportional to 30,268.80, 41,766.12 and 16,839.99

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Solution

The fourth proportional to 30,268.80, 41,766.12 and 16,839.99 is: 23,236.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.80 : 41,766.12 = 16,839.99 : x
  2. Step 2: Convert to fraction form
    30,268.80/41,766.12 = 16,839.99/x
  3. Step 3: Cross multiply
    30,268.80x = 41,766.12 × 16,839.99
  4. Step 4: Simplify right side
    30,268.80x = 703,341,043.14
  5. Step 5: Solve for x
    x = 703,341,043.14/30,268.80
  6. Step 6: Final answer
    x = 23,236.50

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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.