Home / 36,518.70-50,391.24-21,407.88

Finding the Fourth Proportional to 36,518.70, 50,391.24 and 21,407.88

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Solution

The fourth proportional to 36,518.70, 50,391.24 and 21,407.88 is: 29,540.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,518.70 : 50,391.24 = 21,407.88 : x
  2. Step 2: Convert to fraction form
    36,518.70/50,391.24 = 21,407.88/x
  3. Step 3: Cross multiply
    36,518.70x = 50,391.24 × 21,407.88
  4. Step 4: Simplify right side
    36,518.70x = 1,078,769,618.97
  5. Step 5: Solve for x
    x = 1,078,769,618.97/36,518.70
  6. Step 6: Final answer
    x = 29,540.20

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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.