Home / 51,850.28-71,558.78-31,720.57

Finding the Fourth Proportional to 51,850.28, 71,558.78 and 31,720.57

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Solution

The fourth proportional to 51,850.28, 71,558.78 and 31,720.57 is: 43,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.28 : 71,558.78 = 31,720.57 : x
  2. Step 2: Convert to fraction form
    51,850.28/71,558.78 = 31,720.57/x
  3. Step 3: Cross multiply
    51,850.28x = 71,558.78 × 31,720.57
  4. Step 4: Simplify right side
    51,850.28x = 2,269,884,952.60
  5. Step 5: Solve for x
    x = 2,269,884,952.60/51,850.28
  6. Step 6: Final answer
    x = 43,777.68

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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.