Home / 51,724.49-71,393.43-30,517.88

Finding the Fourth Proportional to 51,724.49, 71,393.43 and 30,517.88

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Solution

The fourth proportional to 51,724.49, 71,393.43 and 30,517.88 is: 42,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.49 : 71,393.43 = 30,517.88 : x
  2. Step 2: Convert to fraction form
    51,724.49/71,393.43 = 30,517.88/x
  3. Step 3: Cross multiply
    51,724.49x = 71,393.43 × 30,517.88
  4. Step 4: Simplify right side
    51,724.49x = 2,178,775,772.56
  5. Step 5: Solve for x
    x = 2,178,775,772.56/51,724.49
  6. Step 6: Final answer
    x = 42,122.72

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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.