Home / 36,517.70-50,389.83-21,406.88

Finding the Fourth Proportional to 36,517.70, 50,389.83 and 21,406.88

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Solution

The fourth proportional to 36,517.70, 50,389.83 and 21,406.88 is: 29,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.70 : 50,389.83 = 21,406.88 : x
  2. Step 2: Convert to fraction form
    36,517.70/50,389.83 = 21,406.88/x
  3. Step 3: Cross multiply
    36,517.70x = 50,389.83 × 21,406.88
  4. Step 4: Simplify right side
    36,517.70x = 1,078,689,044.03
  5. Step 5: Solve for x
    x = 1,078,689,044.03/36,517.70
  6. Step 6: Final answer
    x = 29,538.80

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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.