Home / 33,837.96-50,728.40-21,330.42

Finding the Fourth Proportional to 33,837.96, 50,728.40 and 21,330.42

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Solution

The fourth proportional to 33,837.96, 50,728.40 and 21,330.42 is: 31,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,837.96 : 50,728.40 = 21,330.42 : x
  2. Step 2: Convert to fraction form
    33,837.96/50,728.40 = 21,330.42/x
  3. Step 3: Cross multiply
    33,837.96x = 50,728.40 × 21,330.42
  4. Step 4: Simplify right side
    33,837.96x = 1,082,058,361.48
  5. Step 5: Solve for x
    x = 1,082,058,361.48/33,837.96
  6. Step 6: Final answer
    x = 31,977.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.