Home / 54,339.81-81,452.18-18,281.94

Finding the Fourth Proportional to 54,339.81, 81,452.18 and 18,281.94

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Solution

The fourth proportional to 54,339.81, 81,452.18 and 18,281.94 is: 27,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.81 : 81,452.18 = 18,281.94 : x
  2. Step 2: Convert to fraction form
    54,339.81/81,452.18 = 18,281.94/x
  3. Step 3: Cross multiply
    54,339.81x = 81,452.18 × 18,281.94
  4. Step 4: Simplify right side
    54,339.81x = 1,489,103,913.33
  5. Step 5: Solve for x
    x = 1,489,103,913.33/54,339.81
  6. Step 6: Final answer
    x = 27,403.55

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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.