Home / 51,538.11-71,131.46-30,318.27

Finding the Fourth Proportional to 51,538.11, 71,131.46 and 30,318.27

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Solution

The fourth proportional to 51,538.11, 71,131.46 and 30,318.27 is: 41,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.11 : 71,131.46 = 30,318.27 : x
  2. Step 2: Convert to fraction form
    51,538.11/71,131.46 = 30,318.27/x
  3. Step 3: Cross multiply
    51,538.11x = 71,131.46 × 30,318.27
  4. Step 4: Simplify right side
    51,538.11x = 2,156,582,809.77
  5. Step 5: Solve for x
    x = 2,156,582,809.77/51,538.11
  6. Step 6: Final answer
    x = 41,844.43

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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.