Home / 36,519.75-50,351.58-30,478.68

Finding the Fourth Proportional to 36,519.75, 50,351.58 and 30,478.68

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Solution

The fourth proportional to 36,519.75, 50,351.58 and 30,478.68 is: 42,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.75 : 50,351.58 = 30,478.68 : x
  2. Step 2: Convert to fraction form
    36,519.75/50,351.58 = 30,478.68/x
  3. Step 3: Cross multiply
    36,519.75x = 50,351.58 × 30,478.68
  4. Step 4: Simplify right side
    36,519.75x = 1,534,649,694.31
  5. Step 5: Solve for x
    x = 1,534,649,694.31/36,519.75
  6. Step 6: Final answer
    x = 42,022.46

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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.