Home / 53,519.57-80,252.90-31,338.53

Finding the Fourth Proportional to 53,519.57, 80,252.90 and 31,338.53

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Solution

The fourth proportional to 53,519.57, 80,252.90 and 31,338.53 is: 46,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.57 : 80,252.90 = 31,338.53 : x
  2. Step 2: Convert to fraction form
    53,519.57/80,252.90 = 31,338.53/x
  3. Step 3: Cross multiply
    53,519.57x = 80,252.90 × 31,338.53
  4. Step 4: Simplify right side
    53,519.57x = 2,515,007,757.54
  5. Step 5: Solve for x
    x = 2,515,007,757.54/53,519.57
  6. Step 6: Final answer
    x = 46,992.30

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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.