Home / 36,012.60-49,698.63-20,100.02

Finding the Fourth Proportional to 36,012.60, 49,698.63 and 20,100.02

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Solution

The fourth proportional to 36,012.60, 49,698.63 and 20,100.02 is: 27,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.60 : 49,698.63 = 20,100.02 : x
  2. Step 2: Convert to fraction form
    36,012.60/49,698.63 = 20,100.02/x
  3. Step 3: Cross multiply
    36,012.60x = 49,698.63 × 20,100.02
  4. Step 4: Simplify right side
    36,012.60x = 998,943,208.48
  5. Step 5: Solve for x
    x = 998,943,208.48/36,012.60
  6. Step 6: Final answer
    x = 27,738.71

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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.