Home / 33,729.87-46,546-18,622.21

Finding the Fourth Proportional to 33,729.87, 46,546 and 18,622.21

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Solution

The fourth proportional to 33,729.87, 46,546 and 18,622.21 is: 25,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,729.87 : 46,546 = 18,622.21 : x
  2. Step 2: Convert to fraction form
    33,729.87/46,546 = 18,622.21/x
  3. Step 3: Cross multiply
    33,729.87x = 46,546 × 18,622.21
  4. Step 4: Simplify right side
    33,729.87x = 866,789,386.66
  5. Step 5: Solve for x
    x = 866,789,386.66/33,729.87
  6. Step 6: Final answer
    x = 25,697.98

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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.