Home / 31,668.24-43,701.84-17,520.48

Finding the Fourth Proportional to 31,668.24, 43,701.84 and 17,520.48

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Solution

The fourth proportional to 31,668.24, 43,701.84 and 17,520.48 is: 24,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.24 : 43,701.84 = 17,520.48 : x
  2. Step 2: Convert to fraction form
    31,668.24/43,701.84 = 17,520.48/x
  3. Step 3: Cross multiply
    31,668.24x = 43,701.84 × 17,520.48
  4. Step 4: Simplify right side
    31,668.24x = 765,677,213.68
  5. Step 5: Solve for x
    x = 765,677,213.68/31,668.24
  6. Step 6: Final answer
    x = 24,178.08

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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.