Home / 48,861.78-73,277.85-20,781.54

Finding the Fourth Proportional to 48,861.78, 73,277.85 and 20,781.54

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Solution

The fourth proportional to 48,861.78, 73,277.85 and 20,781.54 is: 31,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,861.78 : 73,277.85 = 20,781.54 : x
  2. Step 2: Convert to fraction form
    48,861.78/73,277.85 = 20,781.54/x
  3. Step 3: Cross multiply
    48,861.78x = 73,277.85 × 20,781.54
  4. Step 4: Simplify right side
    48,861.78x = 1,522,826,570.89
  5. Step 5: Solve for x
    x = 1,522,826,570.89/48,861.78
  6. Step 6: Final answer
    x = 31,166.01

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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.