Home / 50,699.97-69,964.70-28,040.22

Finding the Fourth Proportional to 50,699.97, 69,964.70 and 28,040.22

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Solution

The fourth proportional to 50,699.97, 69,964.70 and 28,040.22 is: 38,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.97 : 69,964.70 = 28,040.22 : x
  2. Step 2: Convert to fraction form
    50,699.97/69,964.70 = 28,040.22/x
  3. Step 3: Cross multiply
    50,699.97x = 69,964.70 × 28,040.22
  4. Step 4: Simplify right side
    50,699.97x = 1,961,825,440.03
  5. Step 5: Solve for x
    x = 1,961,825,440.03/50,699.97
  6. Step 6: Final answer
    x = 38,694.80

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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.