Home / 53,849.68-80,811.43-18,789.35

Finding the Fourth Proportional to 53,849.68, 80,811.43 and 18,789.35

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Solution

The fourth proportional to 53,849.68, 80,811.43 and 18,789.35 is: 28,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.68 : 80,811.43 = 18,789.35 : x
  2. Step 2: Convert to fraction form
    53,849.68/80,811.43 = 18,789.35/x
  3. Step 3: Cross multiply
    53,849.68x = 80,811.43 × 18,789.35
  4. Step 4: Simplify right side
    53,849.68x = 1,518,393,791.24
  5. Step 5: Solve for x
    x = 1,518,393,791.24/53,849.68
  6. Step 6: Final answer
    x = 28,196.90

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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.