Home / 54,089.62-81,142.10-16,652.80

Finding the Fourth Proportional to 54,089.62, 81,142.10 and 16,652.80

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Solution

The fourth proportional to 54,089.62, 81,142.10 and 16,652.80 is: 24,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.62 : 81,142.10 = 16,652.80 : x
  2. Step 2: Convert to fraction form
    54,089.62/81,142.10 = 16,652.80/x
  3. Step 3: Cross multiply
    54,089.62x = 81,142.10 × 16,652.80
  4. Step 4: Simplify right side
    54,089.62x = 1,351,243,162.88
  5. Step 5: Solve for x
    x = 1,351,243,162.88/54,089.62
  6. Step 6: Final answer
    x = 24,981.56

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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.