Home / 53,691.76-80,504.55-18,149.72

Finding the Fourth Proportional to 53,691.76, 80,504.55 and 18,149.72

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Solution

The fourth proportional to 53,691.76, 80,504.55 and 18,149.72 is: 27,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.76 : 80,504.55 = 18,149.72 : x
  2. Step 2: Convert to fraction form
    53,691.76/80,504.55 = 18,149.72/x
  3. Step 3: Cross multiply
    53,691.76x = 80,504.55 × 18,149.72
  4. Step 4: Simplify right side
    53,691.76x = 1,461,135,091.54
  5. Step 5: Solve for x
    x = 1,461,135,091.54/53,691.76
  6. Step 6: Final answer
    x = 27,213.39

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1.5x scale

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.