Home / 33,364.21-46,016.61-21,428.66

Finding the Fourth Proportional to 33,364.21, 46,016.61 and 21,428.66

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Solution

The fourth proportional to 33,364.21, 46,016.61 and 21,428.66 is: 29,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,364.21 : 46,016.61 = 21,428.66 : x
  2. Step 2: Convert to fraction form
    33,364.21/46,016.61 = 21,428.66/x
  3. Step 3: Cross multiply
    33,364.21x = 46,016.61 × 21,428.66
  4. Step 4: Simplify right side
    33,364.21x = 986,074,290.04
  5. Step 5: Solve for x
    x = 986,074,290.04/33,364.21
  6. Step 6: Final answer
    x = 29,554.85

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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.