Home / 57,716.20-86,574.30-18,277.30

Finding the Fourth Proportional to 57,716.20, 86,574.30 and 18,277.30

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Solution

The fourth proportional to 57,716.20, 86,574.30 and 18,277.30 is: 27,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.20 : 86,574.30 = 18,277.30 : x
  2. Step 2: Convert to fraction form
    57,716.20/86,574.30 = 18,277.30/x
  3. Step 3: Cross multiply
    57,716.20x = 86,574.30 × 18,277.30
  4. Step 4: Simplify right side
    57,716.20x = 1,582,344,453.39
  5. Step 5: Solve for x
    x = 1,582,344,453.39/57,716.20
  6. Step 6: Final answer
    x = 27,415.95

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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.