Home / 49,861.10-74,805.73-20,300.15

Finding the Fourth Proportional to 49,861.10, 74,805.73 and 20,300.15

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Solution

The fourth proportional to 49,861.10, 74,805.73 and 20,300.15 is: 30,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,861.10 : 74,805.73 = 20,300.15 : x
  2. Step 2: Convert to fraction form
    49,861.10/74,805.73 = 20,300.15/x
  3. Step 3: Cross multiply
    49,861.10x = 74,805.73 × 20,300.15
  4. Step 4: Simplify right side
    49,861.10x = 1,518,567,676.12
  5. Step 5: Solve for x
    x = 1,518,567,676.12/49,861.10
  6. Step 6: Final answer
    x = 30,455.96

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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.