Home / 53,981.94-80,923.92-18,902.46

Finding the Fourth Proportional to 53,981.94, 80,923.92 and 18,902.46

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Solution

The fourth proportional to 53,981.94, 80,923.92 and 18,902.46 is: 28,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.94 : 80,923.92 = 18,902.46 : x
  2. Step 2: Convert to fraction form
    53,981.94/80,923.92 = 18,902.46/x
  3. Step 3: Cross multiply
    53,981.94x = 80,923.92 × 18,902.46
  4. Step 4: Simplify right side
    53,981.94x = 1,529,661,160.84
  5. Step 5: Solve for x
    x = 1,529,661,160.84/53,981.94
  6. Step 6: Final answer
    x = 28,336.54

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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.