Home / 33,255.60-49,883.40-30,721.20

Finding the Fourth Proportional to 33,255.60, 49,883.40 and 30,721.20

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Solution

The fourth proportional to 33,255.60, 49,883.40 and 30,721.20 is: 46,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,255.60 : 49,883.40 = 30,721.20 : x
  2. Step 2: Convert to fraction form
    33,255.60/49,883.40 = 30,721.20/x
  3. Step 3: Cross multiply
    33,255.60x = 49,883.40 × 30,721.20
  4. Step 4: Simplify right side
    33,255.60x = 1,532,477,908.08
  5. Step 5: Solve for x
    x = 1,532,477,908.08/33,255.60
  6. Step 6: Final answer
    x = 46,081.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.