Home / 54,214.97-81,306.84-18,674.85

Finding the Fourth Proportional to 54,214.97, 81,306.84 and 18,674.85

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Solution

The fourth proportional to 54,214.97, 81,306.84 and 18,674.85 is: 28,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,214.97 : 81,306.84 = 18,674.85 : x
  2. Step 2: Convert to fraction form
    54,214.97/81,306.84 = 18,674.85/x
  3. Step 3: Cross multiply
    54,214.97x = 81,306.84 × 18,674.85
  4. Step 4: Simplify right side
    54,214.97x = 1,518,393,072.89
  5. Step 5: Solve for x
    x = 1,518,393,072.89/54,214.97
  6. Step 6: Final answer
    x = 28,006.90

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1.5x scale

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.