Home / 31,645.40-43,668.83-17,497.32

Finding the Fourth Proportional to 31,645.40, 43,668.83 and 17,497.32

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Solution

The fourth proportional to 31,645.40, 43,668.83 and 17,497.32 is: 24,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645.40 : 43,668.83 = 17,497.32 : x
  2. Step 2: Convert to fraction form
    31,645.40/43,668.83 = 17,497.32/x
  3. Step 3: Cross multiply
    31,645.40x = 43,668.83 × 17,497.32
  4. Step 4: Simplify right side
    31,645.40x = 764,087,405.05
  5. Step 5: Solve for x
    x = 764,087,405.05/31,645.40
  6. Step 6: Final answer
    x = 24,145.30

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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.