Home / 36,313.63-50,112.84-20,398.10

Finding the Fourth Proportional to 36,313.63, 50,112.84 and 20,398.10

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Solution

The fourth proportional to 36,313.63, 50,112.84 and 20,398.10 is: 28,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.63 : 50,112.84 = 20,398.10 : x
  2. Step 2: Convert to fraction form
    36,313.63/50,112.84 = 20,398.10/x
  3. Step 3: Cross multiply
    36,313.63x = 50,112.84 × 20,398.10
  4. Step 4: Simplify right side
    36,313.63x = 1,022,206,522.04
  5. Step 5: Solve for x
    x = 1,022,206,522.04/36,313.63
  6. Step 6: Final answer
    x = 28,149.39

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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.