Home / 30,995.87-42,773.40-17,568.36

Finding the Fourth Proportional to 30,995.87, 42,773.40 and 17,568.36

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Solution

The fourth proportional to 30,995.87, 42,773.40 and 17,568.36 is: 24,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.87 : 42,773.40 = 17,568.36 : x
  2. Step 2: Convert to fraction form
    30,995.87/42,773.40 = 17,568.36/x
  3. Step 3: Cross multiply
    30,995.87x = 42,773.40 × 17,568.36
  4. Step 4: Simplify right side
    30,995.87x = 751,458,489.62
  5. Step 5: Solve for x
    x = 751,458,489.62/30,995.87
  6. Step 6: Final answer
    x = 24,243.83

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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.