Home / 54,378.08-81,435.90-30,933.44

Finding the Fourth Proportional to 54,378.08, 81,435.90 and 30,933.44

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Solution

The fourth proportional to 54,378.08, 81,435.90 and 30,933.44 is: 46,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,378.08 : 81,435.90 = 30,933.44 : x
  2. Step 2: Convert to fraction form
    54,378.08/81,435.90 = 30,933.44/x
  3. Step 3: Cross multiply
    54,378.08x = 81,435.90 × 30,933.44
  4. Step 4: Simplify right side
    54,378.08x = 2,519,092,526.50
  5. Step 5: Solve for x
    x = 2,519,092,526.50/54,378.08
  6. Step 6: Final answer
    x = 46,325.51

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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.