Home / 36,231.05-49,999.83-20,315.16

Finding the Fourth Proportional to 36,231.05, 49,999.83 and 20,315.16

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Solution

The fourth proportional to 36,231.05, 49,999.83 and 20,315.16 is: 28,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.05 : 49,999.83 = 20,315.16 : x
  2. Step 2: Convert to fraction form
    36,231.05/49,999.83 = 20,315.16/x
  3. Step 3: Cross multiply
    36,231.05x = 49,999.83 × 20,315.16
  4. Step 4: Simplify right side
    36,231.05x = 1,015,754,546.42
  5. Step 5: Solve for x
    x = 1,015,754,546.42/36,231.05
  6. Step 6: Final answer
    x = 28,035.47

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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.