Home / 49,705.28-74,583.84-20,144.96

Finding the Fourth Proportional to 49,705.28, 74,583.84 and 20,144.96

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Solution

The fourth proportional to 49,705.28, 74,583.84 and 20,144.96 is: 30,227.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,705.28 : 74,583.84 = 20,144.96 : x
  2. Step 2: Convert to fraction form
    49,705.28/74,583.84 = 20,144.96/x
  3. Step 3: Cross multiply
    49,705.28x = 74,583.84 × 20,144.96
  4. Step 4: Simplify right side
    49,705.28x = 1,502,488,473.45
  5. Step 5: Solve for x
    x = 1,502,488,473.45/49,705.28
  6. Step 6: Final answer
    x = 30,227.95

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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.