Home / 37,436.22-51,660.63-20,668.86

Finding the Fourth Proportional to 37,436.22, 51,660.63 and 20,668.86

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Solution

The fourth proportional to 37,436.22, 51,660.63 and 20,668.86 is: 28,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,436.22 : 51,660.63 = 20,668.86 : x
  2. Step 2: Convert to fraction form
    37,436.22/51,660.63 = 20,668.86/x
  3. Step 3: Cross multiply
    37,436.22x = 51,660.63 × 20,668.86
  4. Step 4: Simplify right side
    37,436.22x = 1,067,766,328.98
  5. Step 5: Solve for x
    x = 1,067,766,328.98/37,436.22
  6. Step 6: Final answer
    x = 28,522.28

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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.