Home / 30,227.08-41,721.60-19,616.08

Finding the Fourth Proportional to 30,227.08, 41,721.60 and 19,616.08

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Solution

The fourth proportional to 30,227.08, 41,721.60 and 19,616.08 is: 27,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,227.08 : 41,721.60 = 19,616.08 : x
  2. Step 2: Convert to fraction form
    30,227.08/41,721.60 = 19,616.08/x
  3. Step 3: Cross multiply
    30,227.08x = 41,721.60 × 19,616.08
  4. Step 4: Simplify right side
    30,227.08x = 818,414,243.33
  5. Step 5: Solve for x
    x = 818,414,243.33/30,227.08
  6. Step 6: Final answer
    x = 27,075.53

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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.