Home / 36,228.96-49,993.76-20,313.06

Finding the Fourth Proportional to 36,228.96, 49,993.76 and 20,313.06

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Solution

The fourth proportional to 36,228.96, 49,993.76 and 20,313.06 is: 28,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.96 : 49,993.76 = 20,313.06 : x
  2. Step 2: Convert to fraction form
    36,228.96/49,993.76 = 20,313.06/x
  3. Step 3: Cross multiply
    36,228.96x = 49,993.76 × 20,313.06
  4. Step 4: Simplify right side
    36,228.96x = 1,015,526,144.94
  5. Step 5: Solve for x
    x = 1,015,526,144.94/36,228.96
  6. Step 6: Final answer
    x = 28,030.78

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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.