Home / 33,825.12-46,680.48-21,253.92

Finding the Fourth Proportional to 33,825.12, 46,680.48 and 21,253.92

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Solution

The fourth proportional to 33,825.12, 46,680.48 and 21,253.92 is: 29,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.12 : 46,680.48 = 21,253.92 : x
  2. Step 2: Convert to fraction form
    33,825.12/46,680.48 = 21,253.92/x
  3. Step 3: Cross multiply
    33,825.12x = 46,680.48 × 21,253.92
  4. Step 4: Simplify right side
    33,825.12x = 992,143,187.48
  5. Step 5: Solve for x
    x = 992,143,187.48/33,825.12
  6. Step 6: Final answer
    x = 29,331.55

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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.