Home / 52,135.92-71,945.82-30,902.58

Finding the Fourth Proportional to 52,135.92, 71,945.82 and 30,902.58

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Solution

The fourth proportional to 52,135.92, 71,945.82 and 30,902.58 is: 42,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,135.92 : 71,945.82 = 30,902.58 : x
  2. Step 2: Convert to fraction form
    52,135.92/71,945.82 = 30,902.58/x
  3. Step 3: Cross multiply
    52,135.92x = 71,945.82 × 30,902.58
  4. Step 4: Simplify right side
    52,135.92x = 2,223,311,458.22
  5. Step 5: Solve for x
    x = 2,223,311,458.22/52,135.92
  6. Step 6: Final answer
    x = 42,644.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.