Home / 33,063.51-45,616.55-18,721.38

Finding the Fourth Proportional to 33,063.51, 45,616.55 and 18,721.38

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Solution

The fourth proportional to 33,063.51, 45,616.55 and 18,721.38 is: 25,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,063.51 : 45,616.55 = 18,721.38 : x
  2. Step 2: Convert to fraction form
    33,063.51/45,616.55 = 18,721.38/x
  3. Step 3: Cross multiply
    33,063.51x = 45,616.55 × 18,721.38
  4. Step 4: Simplify right side
    33,063.51x = 854,004,673.23
  5. Step 5: Solve for x
    x = 854,004,673.23/33,063.51
  6. Step 6: Final answer
    x = 25,829.22

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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.