Home / 49,971.57-74,920.38-30,245.85

Finding the Fourth Proportional to 49,971.57, 74,920.38 and 30,245.85

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Solution

The fourth proportional to 49,971.57, 74,920.38 and 30,245.85 is: 45,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,971.57 : 74,920.38 = 30,245.85 : x
  2. Step 2: Convert to fraction form
    49,971.57/74,920.38 = 30,245.85/x
  3. Step 3: Cross multiply
    49,971.57x = 74,920.38 × 30,245.85
  4. Step 4: Simplify right side
    49,971.57x = 2,266,030,575.42
  5. Step 5: Solve for x
    x = 2,266,030,575.42/49,971.57
  6. Step 6: Final answer
    x = 45,346.40

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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.