Home / 50,343.30-75,458.79-20,725.38

Finding the Fourth Proportional to 50,343.30, 75,458.79 and 20,725.38

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Solution

The fourth proportional to 50,343.30, 75,458.79 and 20,725.38 is: 31,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343.30 : 75,458.79 = 20,725.38 : x
  2. Step 2: Convert to fraction form
    50,343.30/75,458.79 = 20,725.38/x
  3. Step 3: Cross multiply
    50,343.30x = 75,458.79 × 20,725.38
  4. Step 4: Simplify right side
    50,343.30x = 1,563,912,097.09
  5. Step 5: Solve for x
    x = 1,563,912,097.09/50,343.30
  6. Step 6: Final answer
    x = 31,064.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.