Home / 51,310.80-76,970.56-18,027.96

Finding the Fourth Proportional to 51,310.80, 76,970.56 and 18,027.96

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Solution

The fourth proportional to 51,310.80, 76,970.56 and 18,027.96 is: 27,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.80 : 76,970.56 = 18,027.96 : x
  2. Step 2: Convert to fraction form
    51,310.80/76,970.56 = 18,027.96/x
  3. Step 3: Cross multiply
    51,310.80x = 76,970.56 × 18,027.96
  4. Step 4: Simplify right side
    51,310.80x = 1,387,622,176.86
  5. Step 5: Solve for x
    x = 1,387,622,176.86/51,310.80
  6. Step 6: Final answer
    x = 27,043.47

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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.