Home / 53,419.92-80,178.60-28,481.04

Finding the Fourth Proportional to 53,419.92, 80,178.60 and 28,481.04

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Solution

The fourth proportional to 53,419.92, 80,178.60 and 28,481.04 is: 42,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,419.92 : 80,178.60 = 28,481.04 : x
  2. Step 2: Convert to fraction form
    53,419.92/80,178.60 = 28,481.04/x
  3. Step 3: Cross multiply
    53,419.92x = 80,178.60 × 28,481.04
  4. Step 4: Simplify right side
    53,419.92x = 2,283,569,913.74
  5. Step 5: Solve for x
    x = 2,283,569,913.74/53,419.92
  6. Step 6: Final answer
    x = 42,747.54

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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.