Home / 31,645.64-43,669.16-17,497.56

Finding the Fourth Proportional to 31,645.64, 43,669.16 and 17,497.56

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Solution

The fourth proportional to 31,645.64, 43,669.16 and 17,497.56 is: 24,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.64 : 43,669.16 = 17,497.56 : x
  2. Step 2: Convert to fraction form
    31,645.64/43,669.16 = 17,497.56/x
  3. Step 3: Cross multiply
    31,645.64x = 43,669.16 × 17,497.56
  4. Step 4: Simplify right side
    31,645.64x = 764,103,747.25
  5. Step 5: Solve for x
    x = 764,103,747.25/31,645.64
  6. Step 6: Final answer
    x = 24,145.62

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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.