Home / 54,115.79-81,181.76-16,672.73

Finding the Fourth Proportional to 54,115.79, 81,181.76 and 16,672.73

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Solution

The fourth proportional to 54,115.79, 81,181.76 and 16,672.73 is: 25,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.79 : 81,181.76 = 16,672.73 : x
  2. Step 2: Convert to fraction form
    54,115.79/81,181.76 = 16,672.73/x
  3. Step 3: Cross multiply
    54,115.79x = 81,181.76 × 16,672.73
  4. Step 4: Simplify right side
    54,115.79x = 1,353,521,076.13
  5. Step 5: Solve for x
    x = 1,353,521,076.13/54,115.79
  6. Step 6: Final answer
    x = 25,011.58

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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.