Home / 53,849.55-80,774.81-18,789.15

Finding the Fourth Proportional to 53,849.55, 80,774.81 and 18,789.15

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Solution

The fourth proportional to 53,849.55, 80,774.81 and 18,789.15 is: 28,183.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.55 : 80,774.81 = 18,789.15 : x
  2. Step 2: Convert to fraction form
    53,849.55/80,774.81 = 18,789.15/x
  3. Step 3: Cross multiply
    53,849.55x = 80,774.81 × 18,789.15
  4. Step 4: Simplify right side
    53,849.55x = 1,517,689,927.37
  5. Step 5: Solve for x
    x = 1,517,689,927.37/53,849.55
  6. Step 6: Final answer
    x = 28,183.89

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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.