Home / 48,409.24-72,618.34-18,829.32

Finding the Fourth Proportional to 48,409.24, 72,618.34 and 18,829.32

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Solution

The fourth proportional to 48,409.24, 72,618.34 and 18,829.32 is: 28,245.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,409.24 : 72,618.34 = 18,829.32 : x
  2. Step 2: Convert to fraction form
    48,409.24/72,618.34 = 18,829.32/x
  3. Step 3: Cross multiply
    48,409.24x = 72,618.34 × 18,829.32
  4. Step 4: Simplify right side
    48,409.24x = 1,367,353,961.73
  5. Step 5: Solve for x
    x = 1,367,353,961.73/48,409.24
  6. Step 6: Final answer
    x = 28,245.72

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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.