Home / 36,201.50-54,302.28-20,586.32

Finding the Fourth Proportional to 36,201.50, 54,302.28 and 20,586.32

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Solution

The fourth proportional to 36,201.50, 54,302.28 and 20,586.32 is: 30,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,201.50 : 54,302.28 = 20,586.32 : x
  2. Step 2: Convert to fraction form
    36,201.50/54,302.28 = 20,586.32/x
  3. Step 3: Cross multiply
    36,201.50x = 54,302.28 × 20,586.32
  4. Step 4: Simplify right side
    36,201.50x = 1,117,883,738.37
  5. Step 5: Solve for x
    x = 1,117,883,738.37/36,201.50
  6. Step 6: Final answer
    x = 30,879.49

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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.