Home / 54,543.75-81,815.73-15,100.98

Finding the Fourth Proportional to 54,543.75, 81,815.73 and 15,100.98

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Solution

The fourth proportional to 54,543.75, 81,815.73 and 15,100.98 is: 22,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,543.75 : 81,815.73 = 15,100.98 : x
  2. Step 2: Convert to fraction form
    54,543.75/81,815.73 = 15,100.98/x
  3. Step 3: Cross multiply
    54,543.75x = 81,815.73 × 15,100.98
  4. Step 4: Simplify right side
    54,543.75x = 1,235,497,702.42
  5. Step 5: Solve for x
    x = 1,235,497,702.42/54,543.75
  6. Step 6: Final answer
    x = 22,651.50

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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.