Home / 54,150.90-74,729.89-30,281.82

Finding the Fourth Proportional to 54,150.90, 74,729.89 and 30,281.82

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Solution

The fourth proportional to 54,150.90, 74,729.89 and 30,281.82 is: 41,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.90 : 74,729.89 = 30,281.82 : x
  2. Step 2: Convert to fraction form
    54,150.90/74,729.89 = 30,281.82/x
  3. Step 3: Cross multiply
    54,150.90x = 74,729.89 × 30,281.82
  4. Step 4: Simplify right side
    54,150.90x = 2,262,957,077.60
  5. Step 5: Solve for x
    x = 2,262,957,077.60/54,150.90
  6. Step 6: Final answer
    x = 41,789.83

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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.