Home / 53,912.88-80,883.96-30,555.72

Finding the Fourth Proportional to 53,912.88, 80,883.96 and 30,555.72

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Solution

The fourth proportional to 53,912.88, 80,883.96 and 30,555.72 is: 45,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.88 : 80,883.96 = 30,555.72 : x
  2. Step 2: Convert to fraction form
    53,912.88/80,883.96 = 30,555.72/x
  3. Step 3: Cross multiply
    53,912.88x = 80,883.96 × 30,555.72
  4. Step 4: Simplify right side
    53,912.88x = 2,471,467,634.25
  5. Step 5: Solve for x
    x = 2,471,467,634.25/53,912.88
  6. Step 6: Final answer
    x = 45,841.88

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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.