Home / 53,519.82-80,253.27-31,338.78

Finding the Fourth Proportional to 53,519.82, 80,253.27 and 31,338.78

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Solution

The fourth proportional to 53,519.82, 80,253.27 and 31,338.78 is: 46,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.82 : 80,253.27 = 31,338.78 : x
  2. Step 2: Convert to fraction form
    53,519.82/80,253.27 = 31,338.78/x
  3. Step 3: Cross multiply
    53,519.82x = 80,253.27 × 31,338.78
  4. Step 4: Simplify right side
    53,519.82x = 2,515,039,572.81
  5. Step 5: Solve for x
    x = 2,515,039,572.81/53,519.82
  6. Step 6: Final answer
    x = 46,992.68

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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.