Home / 37,664.61-51,975.41-20,668.43

Finding the Fourth Proportional to 37,664.61, 51,975.41 and 20,668.43

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Solution

The fourth proportional to 37,664.61, 51,975.41 and 20,668.43 is: 28,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,664.61 : 51,975.41 = 20,668.43 : x
  2. Step 2: Convert to fraction form
    37,664.61/51,975.41 = 20,668.43/x
  3. Step 3: Cross multiply
    37,664.61x = 51,975.41 × 20,668.43
  4. Step 4: Simplify right side
    37,664.61x = 1,074,250,123.31
  5. Step 5: Solve for x
    x = 1,074,250,123.31/37,664.61
  6. Step 6: Final answer
    x = 28,521.47

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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.