Home / 49,817.58-74,742.78-20,227.47

Finding the Fourth Proportional to 49,817.58, 74,742.78 and 20,227.47

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Solution

The fourth proportional to 49,817.58, 74,742.78 and 20,227.47 is: 30,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,817.58 : 74,742.78 = 20,227.47 : x
  2. Step 2: Convert to fraction form
    49,817.58/74,742.78 = 20,227.47/x
  3. Step 3: Cross multiply
    49,817.58x = 74,742.78 × 20,227.47
  4. Step 4: Simplify right side
    49,817.58x = 1,511,857,340.17
  5. Step 5: Solve for x
    x = 1,511,857,340.17/49,817.58
  6. Step 6: Final answer
    x = 30,347.87

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1.5x scale

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.