Home / 49,846.38-74,727.64-20,285.43

Finding the Fourth Proportional to 49,846.38, 74,727.64 and 20,285.43

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Solution

The fourth proportional to 49,846.38, 74,727.64 and 20,285.43 is: 30,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.38 : 74,727.64 = 20,285.43 : x
  2. Step 2: Convert to fraction form
    49,846.38/74,727.64 = 20,285.43/x
  3. Step 3: Cross multiply
    49,846.38x = 74,727.64 × 20,285.43
  4. Step 4: Simplify right side
    49,846.38x = 1,515,882,310.29
  5. Step 5: Solve for x
    x = 1,515,882,310.29/49,846.38
  6. Step 6: Final answer
    x = 30,411.08

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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.