Home / 36,485.58-54,738.12-13,112.22

Finding the Fourth Proportional to 36,485.58, 54,738.12 and 13,112.22

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Solution

The fourth proportional to 36,485.58, 54,738.12 and 13,112.22 is: 19,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485.58 : 54,738.12 = 13,112.22 : x
  2. Step 2: Convert to fraction form
    36,485.58/54,738.12 = 13,112.22/x
  3. Step 3: Cross multiply
    36,485.58x = 54,738.12 × 13,112.22
  4. Step 4: Simplify right side
    36,485.58x = 717,738,271.83
  5. Step 5: Solve for x
    x = 717,738,271.83/36,485.58
  6. Step 6: Final answer
    x = 19,671.83

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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.