Home / 31,653.42-43,680.97-17,505.96

Finding the Fourth Proportional to 31,653.42, 43,680.97 and 17,505.96

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Solution

The fourth proportional to 31,653.42, 43,680.97 and 17,505.96 is: 24,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.42 : 43,680.97 = 17,505.96 : x
  2. Step 2: Convert to fraction form
    31,653.42/43,680.97 = 17,505.96/x
  3. Step 3: Cross multiply
    31,653.42x = 43,680.97 × 17,505.96
  4. Step 4: Simplify right side
    31,653.42x = 764,677,313.58
  5. Step 5: Solve for x
    x = 764,677,313.58/31,653.42
  6. Step 6: Final answer
    x = 24,157.81

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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.