Home / 54,078.62-81,118.11-16,638.44

Finding the Fourth Proportional to 54,078.62, 81,118.11 and 16,638.44

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Solution

The fourth proportional to 54,078.62, 81,118.11 and 16,638.44 is: 24,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.62 : 81,118.11 = 16,638.44 : x
  2. Step 2: Convert to fraction form
    54,078.62/81,118.11 = 16,638.44/x
  3. Step 3: Cross multiply
    54,078.62x = 81,118.11 × 16,638.44
  4. Step 4: Simplify right side
    54,078.62x = 1,349,678,806.15
  5. Step 5: Solve for x
    x = 1,349,678,806.15/54,078.62
  6. Step 6: Final answer
    x = 24,957.72

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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.