Home / 33,121.44-45,704.82-19,507.32

Finding the Fourth Proportional to 33,121.44, 45,704.82 and 19,507.32

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Solution

The fourth proportional to 33,121.44, 45,704.82 and 19,507.32 is: 26,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.44 : 45,704.82 = 19,507.32 : x
  2. Step 2: Convert to fraction form
    33,121.44/45,704.82 = 19,507.32/x
  3. Step 3: Cross multiply
    33,121.44x = 45,704.82 × 19,507.32
  4. Step 4: Simplify right side
    33,121.44x = 891,578,549.28
  5. Step 5: Solve for x
    x = 891,578,549.28/33,121.44
  6. Step 6: Final answer
    x = 26,918.47

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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.