Home / 54,653.20-81,979.80-44,933.20

Finding the Fourth Proportional to 54,653.20, 81,979.80 and 44,933.20

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Solution

The fourth proportional to 54,653.20, 81,979.80 and 44,933.20 is: 67,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.20 : 81,979.80 = 44,933.20 : x
  2. Step 2: Convert to fraction form
    54,653.20/81,979.80 = 44,933.20/x
  3. Step 3: Cross multiply
    54,653.20x = 81,979.80 × 44,933.20
  4. Step 4: Simplify right side
    54,653.20x = 3,683,614,749.36
  5. Step 5: Solve for x
    x = 3,683,614,749.36/54,653.20
  6. Step 6: Final answer
    x = 67,399.80

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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.