Home / 36,183-49,941.18-21,287.64

Finding the Fourth Proportional to 36,183, 49,941.18 and 21,287.64

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Solution

The fourth proportional to 36,183, 49,941.18 and 21,287.64 is: 29,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,183 : 49,941.18 = 21,287.64 : x
  2. Step 2: Convert to fraction form
    36,183/49,941.18 = 21,287.64/x
  3. Step 3: Cross multiply
    36,183x = 49,941.18 × 21,287.64
  4. Step 4: Simplify right side
    36,183x = 1,063,129,861.02
  5. Step 5: Solve for x
    x = 1,063,129,861.02/36,183
  6. Step 6: Final answer
    x = 29,382.03

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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.