Home / 55,273.37-76,277.32-30,122.87

Finding the Fourth Proportional to 55,273.37, 76,277.32 and 30,122.87

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Solution

The fourth proportional to 55,273.37, 76,277.32 and 30,122.87 is: 41,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.37 : 76,277.32 = 30,122.87 : x
  2. Step 2: Convert to fraction form
    55,273.37/76,277.32 = 30,122.87/x
  3. Step 3: Cross multiply
    55,273.37x = 76,277.32 × 30,122.87
  4. Step 4: Simplify right side
    55,273.37x = 2,297,691,337.61
  5. Step 5: Solve for x
    x = 2,297,691,337.61/55,273.37
  6. Step 6: Final answer
    x = 41,569.59

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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.