Home / 55,819.25-83,741.86-18,379.65

Finding the Fourth Proportional to 55,819.25, 83,741.86 and 18,379.65

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Solution

The fourth proportional to 55,819.25, 83,741.86 and 18,379.65 is: 27,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819.25 : 83,741.86 = 18,379.65 : x
  2. Step 2: Convert to fraction form
    55,819.25/83,741.86 = 18,379.65/x
  3. Step 3: Cross multiply
    55,819.25x = 83,741.86 × 18,379.65
  4. Step 4: Simplify right side
    55,819.25x = 1,539,146,132.33
  5. Step 5: Solve for x
    x = 1,539,146,132.33/55,819.25
  6. Step 6: Final answer
    x = 27,573.75

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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.