Home / 33,631.06-46,361.08-21,529.78

Finding the Fourth Proportional to 33,631.06, 46,361.08 and 21,529.78

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Solution

The fourth proportional to 33,631.06, 46,361.08 and 21,529.78 is: 29,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,631.06 : 46,361.08 = 21,529.78 : x
  2. Step 2: Convert to fraction form
    33,631.06/46,361.08 = 21,529.78/x
  3. Step 3: Cross multiply
    33,631.06x = 46,361.08 × 21,529.78
  4. Step 4: Simplify right side
    33,631.06x = 998,143,852.96
  5. Step 5: Solve for x
    x = 998,143,852.96/33,631.06
  6. Step 6: Final answer
    x = 29,679.23

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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.