Home / 33,555.28-46,305.12-21,619.12

Finding the Fourth Proportional to 33,555.28, 46,305.12 and 21,619.12

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Solution

The fourth proportional to 33,555.28, 46,305.12 and 21,619.12 is: 29,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,555.28 : 46,305.12 = 21,619.12 : x
  2. Step 2: Convert to fraction form
    33,555.28/46,305.12 = 21,619.12/x
  3. Step 3: Cross multiply
    33,555.28x = 46,305.12 × 21,619.12
  4. Step 4: Simplify right side
    33,555.28x = 1,001,075,945.89
  5. Step 5: Solve for x
    x = 1,001,075,945.89/33,555.28
  6. Step 6: Final answer
    x = 29,833.63

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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.