Home / 33,185.40-45,805.26-21,863.16

Finding the Fourth Proportional to 33,185.40, 45,805.26 and 21,863.16

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Solution

The fourth proportional to 33,185.40, 45,805.26 and 21,863.16 is: 30,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,185.40 : 45,805.26 = 21,863.16 : x
  2. Step 2: Convert to fraction form
    33,185.40/45,805.26 = 21,863.16/x
  3. Step 3: Cross multiply
    33,185.40x = 45,805.26 × 21,863.16
  4. Step 4: Simplify right side
    33,185.40x = 1,001,447,728.22
  5. Step 5: Solve for x
    x = 1,001,447,728.22/33,185.40
  6. Step 6: Final answer
    x = 30,177.36

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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.