Home / 54,150.46-81,132.05-38,328.66

Finding the Fourth Proportional to 54,150.46, 81,132.05 and 38,328.66

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Solution

The fourth proportional to 54,150.46, 81,132.05 and 38,328.66 is: 57,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.46 : 81,132.05 = 38,328.66 : x
  2. Step 2: Convert to fraction form
    54,150.46/81,132.05 = 38,328.66/x
  3. Step 3: Cross multiply
    54,150.46x = 81,132.05 × 38,328.66
  4. Step 4: Simplify right side
    54,150.46x = 3,109,682,855.37
  5. Step 5: Solve for x
    x = 3,109,682,855.37/54,150.46
  6. Step 6: Final answer
    x = 57,426.71

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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.