Home / 54,310.37-81,478.31-16,868.52

Finding the Fourth Proportional to 54,310.37, 81,478.31 and 16,868.52

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Solution

The fourth proportional to 54,310.37, 81,478.31 and 16,868.52 is: 25,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,310.37 : 81,478.31 = 16,868.52 : x
  2. Step 2: Convert to fraction form
    54,310.37/81,478.31 = 16,868.52/x
  3. Step 3: Cross multiply
    54,310.37x = 81,478.31 × 16,868.52
  4. Step 4: Simplify right side
    54,310.37x = 1,374,418,417.46
  5. Step 5: Solve for x
    x = 1,374,418,417.46/54,310.37
  6. Step 6: Final answer
    x = 25,306.74

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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.