Home / 57,260.12-79,018.83-31,770.36

Finding the Fourth Proportional to 57,260.12, 79,018.83 and 31,770.36

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Solution

The fourth proportional to 57,260.12, 79,018.83 and 31,770.36 is: 43,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,260.12 : 79,018.83 = 31,770.36 : x
  2. Step 2: Convert to fraction form
    57,260.12/79,018.83 = 31,770.36/x
  3. Step 3: Cross multiply
    57,260.12x = 79,018.83 × 31,770.36
  4. Step 4: Simplify right side
    57,260.12x = 2,510,456,675.88
  5. Step 5: Solve for x
    x = 2,510,456,675.88/57,260.12
  6. Step 6: Final answer
    x = 43,843.03

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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.