Home / 31,668.52-43,699.60-17,521.08

Finding the Fourth Proportional to 31,668.52, 43,699.60 and 17,521.08

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Solution

The fourth proportional to 31,668.52, 43,699.60 and 17,521.08 is: 24,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.52 : 43,699.60 = 17,521.08 : x
  2. Step 2: Convert to fraction form
    31,668.52/43,699.60 = 17,521.08/x
  3. Step 3: Cross multiply
    31,668.52x = 43,699.60 × 17,521.08
  4. Step 4: Simplify right side
    31,668.52x = 765,664,187.57
  5. Step 5: Solve for x
    x = 765,664,187.57/31,668.52
  6. Step 6: Final answer
    x = 24,177.45

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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.