Home / 38,440.75-57,668.09-17,390.71

Finding the Fourth Proportional to 38,440.75, 57,668.09 and 17,390.71

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Solution

The fourth proportional to 38,440.75, 57,668.09 and 17,390.71 is: 26,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,440.75 : 57,668.09 = 17,390.71 : x
  2. Step 2: Convert to fraction form
    38,440.75/57,668.09 = 17,390.71/x
  3. Step 3: Cross multiply
    38,440.75x = 57,668.09 × 17,390.71
  4. Step 4: Simplify right side
    38,440.75x = 1,002,889,029.44
  5. Step 5: Solve for x
    x = 1,002,889,029.44/38,440.75
  6. Step 6: Final answer
    x = 26,089.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.