Home / 36,434.28-50,279.46-20,519

Finding the Fourth Proportional to 36,434.28, 50,279.46 and 20,519

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Solution

The fourth proportional to 36,434.28, 50,279.46 and 20,519 is: 28,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.28 : 50,279.46 = 20,519 : x
  2. Step 2: Convert to fraction form
    36,434.28/50,279.46 = 20,519/x
  3. Step 3: Cross multiply
    36,434.28x = 50,279.46 × 20,519
  4. Step 4: Simplify right side
    36,434.28x = 1,031,684,239.74
  5. Step 5: Solve for x
    x = 1,031,684,239.74/36,434.28
  6. Step 6: Final answer
    x = 28,316.31

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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.