Home / 32,715.20-49,074.40-17,163.20

Finding the Fourth Proportional to 32,715.20, 49,074.40 and 17,163.20

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Solution

The fourth proportional to 32,715.20, 49,074.40 and 17,163.20 is: 25,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.20 : 49,074.40 = 17,163.20 : x
  2. Step 2: Convert to fraction form
    32,715.20/49,074.40 = 17,163.20/x
  3. Step 3: Cross multiply
    32,715.20x = 49,074.40 × 17,163.20
  4. Step 4: Simplify right side
    32,715.20x = 842,273,742.08
  5. Step 5: Solve for x
    x = 842,273,742.08/32,715.20
  6. Step 6: Final answer
    x = 25,745.64

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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.