Home / 50,861.22-76,278.14-21,272.92

Finding the Fourth Proportional to 50,861.22, 76,278.14 and 21,272.92

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Solution

The fourth proportional to 50,861.22, 76,278.14 and 21,272.92 is: 31,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,861.22 : 76,278.14 = 21,272.92 : x
  2. Step 2: Convert to fraction form
    50,861.22/76,278.14 = 21,272.92/x
  3. Step 3: Cross multiply
    50,861.22x = 76,278.14 × 21,272.92
  4. Step 4: Simplify right side
    50,861.22x = 1,622,658,769.97
  5. Step 5: Solve for x
    x = 1,622,658,769.97/50,861.22
  6. Step 6: Final answer
    x = 31,903.65

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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.