Home / 55,792.56-76,993.02-30,640.44

Finding the Fourth Proportional to 55,792.56, 76,993.02 and 30,640.44

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Solution

The fourth proportional to 55,792.56, 76,993.02 and 30,640.44 is: 42,283.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,792.56 : 76,993.02 = 30,640.44 : x
  2. Step 2: Convert to fraction form
    55,792.56/76,993.02 = 30,640.44/x
  3. Step 3: Cross multiply
    55,792.56x = 76,993.02 × 30,640.44
  4. Step 4: Simplify right side
    55,792.56x = 2,359,100,009.73
  5. Step 5: Solve for x
    x = 2,359,100,009.73/55,792.56
  6. Step 6: Final answer
    x = 42,283.42

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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.