Home / 54,173.73-81,247.83-30,491.35

Finding the Fourth Proportional to 54,173.73, 81,247.83 and 30,491.35

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Solution

The fourth proportional to 54,173.73, 81,247.83 and 30,491.35 is: 45,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.73 : 81,247.83 = 30,491.35 : x
  2. Step 2: Convert to fraction form
    54,173.73/81,247.83 = 30,491.35/x
  3. Step 3: Cross multiply
    54,173.73x = 81,247.83 × 30,491.35
  4. Step 4: Simplify right side
    54,173.73x = 2,477,356,021.27
  5. Step 5: Solve for x
    x = 2,477,356,021.27/54,173.73
  6. Step 6: Final answer
    x = 45,729.84

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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.