Home / 36,247.32-50,021.39-21,150.36

Finding the Fourth Proportional to 36,247.32, 50,021.39 and 21,150.36

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Solution

The fourth proportional to 36,247.32, 50,021.39 and 21,150.36 is: 29,187.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,247.32 : 50,021.39 = 21,150.36 : x
  2. Step 2: Convert to fraction form
    36,247.32/50,021.39 = 21,150.36/x
  3. Step 3: Cross multiply
    36,247.32x = 50,021.39 × 21,150.36
  4. Step 4: Simplify right side
    36,247.32x = 1,057,970,406.20
  5. Step 5: Solve for x
    x = 1,057,970,406.20/36,247.32
  6. Step 6: Final answer
    x = 29,187.55

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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.