Home / 53,478.70-80,193.44-30,105.14

Finding the Fourth Proportional to 53,478.70, 80,193.44 and 30,105.14

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Solution

The fourth proportional to 53,478.70, 80,193.44 and 30,105.14 is: 45,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478.70 : 80,193.44 = 30,105.14 : x
  2. Step 2: Convert to fraction form
    53,478.70/80,193.44 = 30,105.14/x
  3. Step 3: Cross multiply
    53,478.70x = 80,193.44 × 30,105.14
  4. Step 4: Simplify right side
    53,478.70x = 2,414,234,412.58
  5. Step 5: Solve for x
    x = 2,414,234,412.58/53,478.70
  6. Step 6: Final answer
    x = 45,143.85

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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.