Home / 36,489.37-50,360.32-21,388.04

Finding the Fourth Proportional to 36,489.37, 50,360.32 and 21,388.04

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Solution

The fourth proportional to 36,489.37, 50,360.32 and 21,388.04 is: 29,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.37 : 50,360.32 = 21,388.04 : x
  2. Step 2: Convert to fraction form
    36,489.37/50,360.32 = 21,388.04/x
  3. Step 3: Cross multiply
    36,489.37x = 50,360.32 × 21,388.04
  4. Step 4: Simplify right side
    36,489.37x = 1,077,108,538.57
  5. Step 5: Solve for x
    x = 1,077,108,538.57/36,489.37
  6. Step 6: Final answer
    x = 29,518.42

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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.