Home / 54,723.79-82,122.59-21,439.68

Finding the Fourth Proportional to 54,723.79, 82,122.59 and 21,439.68

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Solution

The fourth proportional to 54,723.79, 82,122.59 and 21,439.68 is: 32,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,723.79 : 82,122.59 = 21,439.68 : x
  2. Step 2: Convert to fraction form
    54,723.79/82,122.59 = 21,439.68/x
  3. Step 3: Cross multiply
    54,723.79x = 82,122.59 × 21,439.68
  4. Step 4: Simplify right side
    54,723.79x = 1,760,682,050.37
  5. Step 5: Solve for x
    x = 1,760,682,050.37/54,723.79
  6. Step 6: Final answer
    x = 32,173.98

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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.