Home / 51,991.30-71,682.87-43,389.80

Finding the Fourth Proportional to 51,991.30, 71,682.87 and 43,389.80

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Solution

The fourth proportional to 51,991.30, 71,682.87 and 43,389.80 is: 59,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991.30 : 71,682.87 = 43,389.80 : x
  2. Step 2: Convert to fraction form
    51,991.30/71,682.87 = 43,389.80/x
  3. Step 3: Cross multiply
    51,991.30x = 71,682.87 × 43,389.80
  4. Step 4: Simplify right side
    51,991.30x = 3,110,305,392.73
  5. Step 5: Solve for x
    x = 3,110,305,392.73/51,991.30
  6. Step 6: Final answer
    x = 59,823.57

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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.