Home / 33,366.64-46,019.98-21,431.09

Finding the Fourth Proportional to 33,366.64, 46,019.98 and 21,431.09

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Solution

The fourth proportional to 33,366.64, 46,019.98 and 21,431.09 is: 29,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,366.64 : 46,019.98 = 21,431.09 : x
  2. Step 2: Convert to fraction form
    33,366.64/46,019.98 = 21,431.09/x
  3. Step 3: Cross multiply
    33,366.64x = 46,019.98 × 21,431.09
  4. Step 4: Simplify right side
    33,366.64x = 986,258,268.18
  5. Step 5: Solve for x
    x = 986,258,268.18/33,366.64
  6. Step 6: Final answer
    x = 29,558.21

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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.