Home / 36,279-50,065.20-21,182.04

Finding the Fourth Proportional to 36,279, 50,065.20 and 21,182.04

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Solution

The fourth proportional to 36,279, 50,065.20 and 21,182.04 is: 29,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279 : 50,065.20 = 21,182.04 : x
  2. Step 2: Convert to fraction form
    36,279/50,065.20 = 21,182.04/x
  3. Step 3: Cross multiply
    36,279x = 50,065.20 × 21,182.04
  4. Step 4: Simplify right side
    36,279x = 1,060,483,069.01
  5. Step 5: Solve for x
    x = 1,060,483,069.01/36,279
  6. Step 6: Final answer
    x = 29,231.32

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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.