Home / 36,431.67-50,278.29-20,300.32

Finding the Fourth Proportional to 36,431.67, 50,278.29 and 20,300.32

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Solution

The fourth proportional to 36,431.67, 50,278.29 and 20,300.32 is: 28,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.67 : 50,278.29 = 20,300.32 : x
  2. Step 2: Convert to fraction form
    36,431.67/50,278.29 = 20,300.32/x
  3. Step 3: Cross multiply
    36,431.67x = 50,278.29 × 20,300.32
  4. Step 4: Simplify right side
    36,431.67x = 1,020,665,376.05
  5. Step 5: Solve for x
    x = 1,020,665,376.05/36,431.67
  6. Step 6: Final answer
    x = 28,015.88

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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.