Home / 31,668.08-43,701.66-17,520.62

Finding the Fourth Proportional to 31,668.08, 43,701.66 and 17,520.62

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Solution

The fourth proportional to 31,668.08, 43,701.66 and 17,520.62 is: 24,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.08 : 43,701.66 = 17,520.62 : x
  2. Step 2: Convert to fraction form
    31,668.08/43,701.66 = 17,520.62/x
  3. Step 3: Cross multiply
    31,668.08x = 43,701.66 × 17,520.62
  4. Step 4: Simplify right side
    31,668.08x = 765,680,178.23
  5. Step 5: Solve for x
    x = 765,680,178.23/31,668.08
  6. Step 6: Final answer
    x = 24,178.29

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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.