Home / 36,679.89-50,618.66-20,763.99

Finding the Fourth Proportional to 36,679.89, 50,618.66 and 20,763.99

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Solution

The fourth proportional to 36,679.89, 50,618.66 and 20,763.99 is: 28,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,679.89 : 50,618.66 = 20,763.99 : x
  2. Step 2: Convert to fraction form
    36,679.89/50,618.66 = 20,763.99/x
  3. Step 3: Cross multiply
    36,679.89x = 50,618.66 × 20,763.99
  4. Step 4: Simplify right side
    36,679.89x = 1,051,045,246.23
  5. Step 5: Solve for x
    x = 1,051,045,246.23/36,679.89
  6. Step 6: Final answer
    x = 28,654.54

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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.