Home / 31,741.27-43,787.08-20,261.64

Finding the Fourth Proportional to 31,741.27, 43,787.08 and 20,261.64

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Solution

The fourth proportional to 31,741.27, 43,787.08 and 20,261.64 is: 27,950.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.27 : 43,787.08 = 20,261.64 : x
  2. Step 2: Convert to fraction form
    31,741.27/43,787.08 = 20,261.64/x
  3. Step 3: Cross multiply
    31,741.27x = 43,787.08 × 20,261.64
  4. Step 4: Simplify right side
    31,741.27x = 887,198,241.14
  5. Step 5: Solve for x
    x = 887,198,241.14/31,741.27
  6. Step 6: Final answer
    x = 27,950.94

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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.