Home / 33,643.14-46,377.72-21,542.28

Finding the Fourth Proportional to 33,643.14, 46,377.72 and 21,542.28

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Solution

The fourth proportional to 33,643.14, 46,377.72 and 21,542.28 is: 29,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.14 : 46,377.72 = 21,542.28 : x
  2. Step 2: Convert to fraction form
    33,643.14/46,377.72 = 21,542.28/x
  3. Step 3: Cross multiply
    33,643.14x = 46,377.72 × 21,542.28
  4. Step 4: Simplify right side
    33,643.14x = 999,081,830.00
  5. Step 5: Solve for x
    x = 999,081,830.00/33,643.14
  6. Step 6: Final answer
    x = 29,696.45

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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.