Home / 36,701.47-50,648.69-20,789.22

Finding the Fourth Proportional to 36,701.47, 50,648.69 and 20,789.22

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Solution

The fourth proportional to 36,701.47, 50,648.69 and 20,789.22 is: 28,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.47 : 50,648.69 = 20,789.22 : x
  2. Step 2: Convert to fraction form
    36,701.47/50,648.69 = 20,789.22/x
  3. Step 3: Cross multiply
    36,701.47x = 50,648.69 × 20,789.22
  4. Step 4: Simplify right side
    36,701.47x = 1,052,946,811.09
  5. Step 5: Solve for x
    x = 1,052,946,811.09/36,701.47
  6. Step 6: Final answer
    x = 28,689.50

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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.