Home / 54,529.20-81,648-31,123.44

Finding the Fourth Proportional to 54,529.20, 81,648 and 31,123.44

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Solution

The fourth proportional to 54,529.20, 81,648 and 31,123.44 is: 46,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,529.20 : 81,648 = 31,123.44 : x
  2. Step 2: Convert to fraction form
    54,529.20/81,648 = 31,123.44/x
  3. Step 3: Cross multiply
    54,529.20x = 81,648 × 31,123.44
  4. Step 4: Simplify right side
    54,529.20x = 2,541,166,629.12
  5. Step 5: Solve for x
    x = 2,541,166,629.12/54,529.20
  6. Step 6: Final answer
    x = 46,601.94

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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.