Home / 30,195.06-41,643.60-19,441.80

Finding the Fourth Proportional to 30,195.06, 41,643.60 and 19,441.80

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Solution

The fourth proportional to 30,195.06, 41,643.60 and 19,441.80 is: 26,813.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.06 : 41,643.60 = 19,441.80 : x
  2. Step 2: Convert to fraction form
    30,195.06/41,643.60 = 19,441.80/x
  3. Step 3: Cross multiply
    30,195.06x = 41,643.60 × 19,441.80
  4. Step 4: Simplify right side
    30,195.06x = 809,626,542.48
  5. Step 5: Solve for x
    x = 809,626,542.48/30,195.06
  6. Step 6: Final answer
    x = 26,813.21

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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.