Home / 31,815.93-43,907.46-17,668.83

Finding the Fourth Proportional to 31,815.93, 43,907.46 and 17,668.83

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Solution

The fourth proportional to 31,815.93, 43,907.46 and 17,668.83 is: 24,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815.93 : 43,907.46 = 17,668.83 : x
  2. Step 2: Convert to fraction form
    31,815.93/43,907.46 = 17,668.83/x
  3. Step 3: Cross multiply
    31,815.93x = 43,907.46 × 17,668.83
  4. Step 4: Simplify right side
    31,815.93x = 775,793,446.47
  5. Step 5: Solve for x
    x = 775,793,446.47/31,815.93
  6. Step 6: Final answer
    x = 24,383.81

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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.