Home / 33,870.69-46,729.04-21,940.61

Finding the Fourth Proportional to 33,870.69, 46,729.04 and 21,940.61

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Solution

The fourth proportional to 33,870.69, 46,729.04 and 21,940.61 is: 30,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,870.69 : 46,729.04 = 21,940.61 : x
  2. Step 2: Convert to fraction form
    33,870.69/46,729.04 = 21,940.61/x
  3. Step 3: Cross multiply
    33,870.69x = 46,729.04 × 21,940.61
  4. Step 4: Simplify right side
    33,870.69x = 1,025,263,298.97
  5. Step 5: Solve for x
    x = 1,025,263,298.97/33,870.69
  6. Step 6: Final answer
    x = 30,269.93

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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.