Home / 33,063.69-45,605.25-21,121.74

Finding the Fourth Proportional to 33,063.69, 45,605.25 and 21,121.74

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Solution

The fourth proportional to 33,063.69, 45,605.25 and 21,121.74 is: 29,133.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,063.69 : 45,605.25 = 21,121.74 : x
  2. Step 2: Convert to fraction form
    33,063.69/45,605.25 = 21,121.74/x
  3. Step 3: Cross multiply
    33,063.69x = 45,605.25 × 21,121.74
  4. Step 4: Simplify right side
    33,063.69x = 963,262,233.14
  5. Step 5: Solve for x
    x = 963,262,233.14/33,063.69
  6. Step 6: Final answer
    x = 29,133.54

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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.