Home / 30,366.17-41,896.90-19,611.49

Finding the Fourth Proportional to 30,366.17, 41,896.90 and 19,611.49

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Solution

The fourth proportional to 30,366.17, 41,896.90 and 19,611.49 is: 27,058.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.17 : 41,896.90 = 19,611.49 : x
  2. Step 2: Convert to fraction form
    30,366.17/41,896.90 = 19,611.49/x
  3. Step 3: Cross multiply
    30,366.17x = 41,896.90 × 19,611.49
  4. Step 4: Simplify right side
    30,366.17x = 821,660,537.32
  5. Step 5: Solve for x
    x = 821,660,537.32/30,366.17
  6. Step 6: Final answer
    x = 27,058.42

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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.