Home / 54,394.37-81,573.07-18,847.39

Finding the Fourth Proportional to 54,394.37, 81,573.07 and 18,847.39

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Solution

The fourth proportional to 54,394.37, 81,573.07 and 18,847.39 is: 28,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.37 : 81,573.07 = 18,847.39 : x
  2. Step 2: Convert to fraction form
    54,394.37/81,573.07 = 18,847.39/x
  3. Step 3: Cross multiply
    54,394.37x = 81,573.07 × 18,847.39
  4. Step 4: Simplify right side
    54,394.37x = 1,537,439,463.79
  5. Step 5: Solve for x
    x = 1,537,439,463.79/54,394.37
  6. Step 6: Final answer
    x = 28,264.68

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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.