Home / 52,991.20-79,437.39-17,906.32

Finding the Fourth Proportional to 52,991.20, 79,437.39 and 17,906.32

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Solution

The fourth proportional to 52,991.20, 79,437.39 and 17,906.32 is: 26,842.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,991.20 : 79,437.39 = 17,906.32 : x
  2. Step 2: Convert to fraction form
    52,991.20/79,437.39 = 17,906.32/x
  3. Step 3: Cross multiply
    52,991.20x = 79,437.39 × 17,906.32
  4. Step 4: Simplify right side
    52,991.20x = 1,422,431,325.30
  5. Step 5: Solve for x
    x = 1,422,431,325.30/52,991.20
  6. Step 6: Final answer
    x = 26,842.78

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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.