Home / 53,171.56-73,381.92-39,719.46

Finding the Fourth Proportional to 53,171.56, 73,381.92 and 39,719.46

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Solution

The fourth proportional to 53,171.56, 73,381.92 and 39,719.46 is: 54,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.56 : 73,381.92 = 39,719.46 : x
  2. Step 2: Convert to fraction form
    53,171.56/73,381.92 = 39,719.46/x
  3. Step 3: Cross multiply
    53,171.56x = 73,381.92 × 39,719.46
  4. Step 4: Simplify right side
    53,171.56x = 2,914,690,236.16
  5. Step 5: Solve for x
    x = 2,914,690,236.16/53,171.56
  6. Step 6: Final answer
    x = 54,816.71

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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.