Home / 36,433.94-50,279.02-20,518.68

Finding the Fourth Proportional to 36,433.94, 50,279.02 and 20,518.68

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Solution

The fourth proportional to 36,433.94, 50,279.02 and 20,518.68 is: 28,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.94 : 50,279.02 = 20,518.68 : x
  2. Step 2: Convert to fraction form
    36,433.94/50,279.02 = 20,518.68/x
  3. Step 3: Cross multiply
    36,433.94x = 50,279.02 × 20,518.68
  4. Step 4: Simplify right side
    36,433.94x = 1,031,659,122.09
  5. Step 5: Solve for x
    x = 1,031,659,122.09/36,433.94
  6. Step 6: Final answer
    x = 28,315.88

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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.