Home / 36,930.99-50,958.75-21,821.55

Finding the Fourth Proportional to 36,930.99, 50,958.75 and 21,821.55

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Solution

The fourth proportional to 36,930.99, 50,958.75 and 21,821.55 is: 30,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.99 : 50,958.75 = 21,821.55 : x
  2. Step 2: Convert to fraction form
    36,930.99/50,958.75 = 21,821.55/x
  3. Step 3: Cross multiply
    36,930.99x = 50,958.75 × 21,821.55
  4. Step 4: Simplify right side
    36,930.99x = 1,111,998,911.06
  5. Step 5: Solve for x
    x = 1,111,998,911.06/36,930.99
  6. Step 6: Final answer
    x = 30,110.18

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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.