Home / 33,632.06-46,362.46-21,530.78

Finding the Fourth Proportional to 33,632.06, 46,362.46 and 21,530.78

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Solution

The fourth proportional to 33,632.06, 46,362.46 and 21,530.78 is: 29,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,632.06 : 46,362.46 = 21,530.78 : x
  2. Step 2: Convert to fraction form
    33,632.06/46,362.46 = 21,530.78/x
  3. Step 3: Cross multiply
    33,632.06x = 46,362.46 × 21,530.78
  4. Step 4: Simplify right side
    33,632.06x = 998,219,926.52
  5. Step 5: Solve for x
    x = 998,219,926.52/33,632.06
  6. Step 6: Final answer
    x = 29,680.61

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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.