Home / 48,245.49-72,396.69-20,163.39

Finding the Fourth Proportional to 48,245.49, 72,396.69 and 20,163.39

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Solution

The fourth proportional to 48,245.49, 72,396.69 and 20,163.39 is: 30,256.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,245.49 : 72,396.69 = 20,163.39 : x
  2. Step 2: Convert to fraction form
    48,245.49/72,396.69 = 20,163.39/x
  3. Step 3: Cross multiply
    48,245.49x = 72,396.69 × 20,163.39
  4. Step 4: Simplify right side
    48,245.49x = 1,459,762,695.18
  5. Step 5: Solve for x
    x = 1,459,762,695.18/48,245.49
  6. Step 6: Final answer
    x = 30,256.98

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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.