Home / 31,660.73-43,687.52-18,050.52

Finding the Fourth Proportional to 31,660.73, 43,687.52 and 18,050.52

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Solution

The fourth proportional to 31,660.73, 43,687.52 and 18,050.52 is: 24,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,660.73 : 43,687.52 = 18,050.52 : x
  2. Step 2: Convert to fraction form
    31,660.73/43,687.52 = 18,050.52/x
  3. Step 3: Cross multiply
    31,660.73x = 43,687.52 × 18,050.52
  4. Step 4: Simplify right side
    31,660.73x = 788,582,648.21
  5. Step 5: Solve for x
    x = 788,582,648.21/31,660.73
  6. Step 6: Final answer
    x = 24,907.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.