Home / 30,382.02-41,914.26-19,043.78

Finding the Fourth Proportional to 30,382.02, 41,914.26 and 19,043.78

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Solution

The fourth proportional to 30,382.02, 41,914.26 and 19,043.78 is: 26,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.02 : 41,914.26 = 19,043.78 : x
  2. Step 2: Convert to fraction form
    30,382.02/41,914.26 = 19,043.78/x
  3. Step 3: Cross multiply
    30,382.02x = 41,914.26 × 19,043.78
  4. Step 4: Simplify right side
    30,382.02x = 798,205,736.73
  5. Step 5: Solve for x
    x = 798,205,736.73/30,382.02
  6. Step 6: Final answer
    x = 26,272.31

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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.