Home / 30,005.42-41,361.99-19,916.06

Finding the Fourth Proportional to 30,005.42, 41,361.99 and 19,916.06

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Solution

The fourth proportional to 30,005.42, 41,361.99 and 19,916.06 is: 27,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.42 : 41,361.99 = 19,916.06 : x
  2. Step 2: Convert to fraction form
    30,005.42/41,361.99 = 19,916.06/x
  3. Step 3: Cross multiply
    30,005.42x = 41,361.99 × 19,916.06
  4. Step 4: Simplify right side
    30,005.42x = 823,767,874.56
  5. Step 5: Solve for x
    x = 823,767,874.56/30,005.42
  6. Step 6: Final answer
    x = 27,453.97

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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.