Home / 47,976.40-71,972.80-16,384.73

Finding the Fourth Proportional to 47,976.40, 71,972.80 and 16,384.73

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Solution

The fourth proportional to 47,976.40, 71,972.80 and 16,384.73 is: 24,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,976.40 : 71,972.80 = 16,384.73 : x
  2. Step 2: Convert to fraction form
    47,976.40/71,972.80 = 16,384.73/x
  3. Step 3: Cross multiply
    47,976.40x = 71,972.80 × 16,384.73
  4. Step 4: Simplify right side
    47,976.40x = 1,179,254,991.53
  5. Step 5: Solve for x
    x = 1,179,254,991.53/47,976.40
  6. Step 6: Final answer
    x = 24,579.90

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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.