Home / 31,384.52-43,311.84-17,237.96

Finding the Fourth Proportional to 31,384.52, 43,311.84 and 17,237.96

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Solution

The fourth proportional to 31,384.52, 43,311.84 and 17,237.96 is: 23,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384.52 : 43,311.84 = 17,237.96 : x
  2. Step 2: Convert to fraction form
    31,384.52/43,311.84 = 17,237.96/x
  3. Step 3: Cross multiply
    31,384.52x = 43,311.84 × 17,237.96
  4. Step 4: Simplify right side
    31,384.52x = 746,607,765.45
  5. Step 5: Solve for x
    x = 746,607,765.45/31,384.52
  6. Step 6: Final answer
    x = 23,789.05

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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.