Home / 31,577.22-43,573.68-20,226.60

Finding the Fourth Proportional to 31,577.22, 43,573.68 and 20,226.60

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Solution

The fourth proportional to 31,577.22, 43,573.68 and 20,226.60 is: 27,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.22 : 43,573.68 = 20,226.60 : x
  2. Step 2: Convert to fraction form
    31,577.22/43,573.68 = 20,226.60/x
  3. Step 3: Cross multiply
    31,577.22x = 43,573.68 × 20,226.60
  4. Step 4: Simplify right side
    31,577.22x = 881,347,395.89
  5. Step 5: Solve for x
    x = 881,347,395.89/31,577.22
  6. Step 6: Final answer
    x = 27,910.86

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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.