Home / 31,563.88-43,558.13-20,233.37

Finding the Fourth Proportional to 31,563.88, 43,558.13 and 20,233.37

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Solution

The fourth proportional to 31,563.88, 43,558.13 and 20,233.37 is: 27,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.88 : 43,558.13 = 20,233.37 : x
  2. Step 2: Convert to fraction form
    31,563.88/43,558.13 = 20,233.37/x
  3. Step 3: Cross multiply
    31,563.88x = 43,558.13 × 20,233.37
  4. Step 4: Simplify right side
    31,563.88x = 881,327,760.80
  5. Step 5: Solve for x
    x = 881,327,760.80/31,563.88
  6. Step 6: Final answer
    x = 27,922.03

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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.