Home / 31,668.87-43,703.01-17,521.71

Finding the Fourth Proportional to 31,668.87, 43,703.01 and 17,521.71

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Solution

The fourth proportional to 31,668.87, 43,703.01 and 17,521.71 is: 24,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.87 : 43,703.01 = 17,521.71 : x
  2. Step 2: Convert to fraction form
    31,668.87/43,703.01 = 17,521.71/x
  3. Step 3: Cross multiply
    31,668.87x = 43,703.01 × 17,521.71
  4. Step 4: Simplify right side
    31,668.87x = 765,751,467.35
  5. Step 5: Solve for x
    x = 765,751,467.35/31,668.87
  6. Step 6: Final answer
    x = 24,179.94

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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.