Home / 54,259.74-81,402.23-16,817.83

Finding the Fourth Proportional to 54,259.74, 81,402.23 and 16,817.83

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Solution

The fourth proportional to 54,259.74, 81,402.23 and 16,817.83 is: 25,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.74 : 81,402.23 = 16,817.83 : x
  2. Step 2: Convert to fraction form
    54,259.74/81,402.23 = 16,817.83/x
  3. Step 3: Cross multiply
    54,259.74x = 81,402.23 × 16,817.83
  4. Step 4: Simplify right side
    54,259.74x = 1,369,008,704.30
  5. Step 5: Solve for x
    x = 1,369,008,704.30/54,259.74
  6. Step 6: Final answer
    x = 25,230.65

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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.