Home / 31,643.56-43,668.66-17,496.46

Finding the Fourth Proportional to 31,643.56, 43,668.66 and 17,496.46

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Solution

The fourth proportional to 31,643.56, 43,668.66 and 17,496.46 is: 24,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.56 : 43,668.66 = 17,496.46 : x
  2. Step 2: Convert to fraction form
    31,643.56/43,668.66 = 17,496.46/x
  3. Step 3: Cross multiply
    31,643.56x = 43,668.66 × 17,496.46
  4. Step 4: Simplify right side
    31,643.56x = 764,046,962.94
  5. Step 5: Solve for x
    x = 764,046,962.94/31,643.56
  6. Step 6: Final answer
    x = 24,145.42

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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.