Home / 55,777.10-76,972.97-30,283.70

Finding the Fourth Proportional to 55,777.10, 76,972.97 and 30,283.70

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Solution

The fourth proportional to 55,777.10, 76,972.97 and 30,283.70 is: 41,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.10 : 76,972.97 = 30,283.70 : x
  2. Step 2: Convert to fraction form
    55,777.10/76,972.97 = 30,283.70/x
  3. Step 3: Cross multiply
    55,777.10x = 76,972.97 × 30,283.70
  4. Step 4: Simplify right side
    55,777.10x = 2,331,025,795.31
  5. Step 5: Solve for x
    x = 2,331,025,795.31/55,777.10
  6. Step 6: Final answer
    x = 41,791.81

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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.