Home / 36,221.75-49,986.20-21,124.88

Finding the Fourth Proportional to 36,221.75, 49,986.20 and 21,124.88

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Solution

The fourth proportional to 36,221.75, 49,986.20 and 21,124.88 is: 29,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.75 : 49,986.20 = 21,124.88 : x
  2. Step 2: Convert to fraction form
    36,221.75/49,986.20 = 21,124.88/x
  3. Step 3: Cross multiply
    36,221.75x = 49,986.20 × 21,124.88
  4. Step 4: Simplify right side
    36,221.75x = 1,055,952,371.03
  5. Step 5: Solve for x
    x = 1,055,952,371.03/36,221.75
  6. Step 6: Final answer
    x = 29,152.44

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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.