Home / 48,664.80-72,992.34-13,604.76

Finding the Fourth Proportional to 48,664.80, 72,992.34 and 13,604.76

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Solution

The fourth proportional to 48,664.80, 72,992.34 and 13,604.76 is: 20,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.80 : 72,992.34 = 13,604.76 : x
  2. Step 2: Convert to fraction form
    48,664.80/72,992.34 = 13,604.76/x
  3. Step 3: Cross multiply
    48,664.80x = 72,992.34 × 13,604.76
  4. Step 4: Simplify right side
    48,664.80x = 993,043,267.54
  5. Step 5: Solve for x
    x = 993,043,267.54/48,664.80
  6. Step 6: Final answer
    x = 20,405.78

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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.