Home / 31,095.09-42,912.38-17,668.62

Finding the Fourth Proportional to 31,095.09, 42,912.38 and 17,668.62

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Solution

The fourth proportional to 31,095.09, 42,912.38 and 17,668.62 is: 24,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,095.09 : 42,912.38 = 17,668.62 : x
  2. Step 2: Convert to fraction form
    31,095.09/42,912.38 = 17,668.62/x
  3. Step 3: Cross multiply
    31,095.09x = 42,912.38 × 17,668.62
  4. Step 4: Simplify right side
    31,095.09x = 758,202,535.52
  5. Step 5: Solve for x
    x = 758,202,535.52/31,095.09
  6. Step 6: Final answer
    x = 24,383.35

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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.