Home / 54,056.90-74,591.40-30,179.72

Finding the Fourth Proportional to 54,056.90, 74,591.40 and 30,179.72

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Solution

The fourth proportional to 54,056.90, 74,591.40 and 30,179.72 is: 41,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.90 : 74,591.40 = 30,179.72 : x
  2. Step 2: Convert to fraction form
    54,056.90/74,591.40 = 30,179.72/x
  3. Step 3: Cross multiply
    54,056.90x = 74,591.40 × 30,179.72
  4. Step 4: Simplify right side
    54,056.90x = 2,251,147,566.41
  5. Step 5: Solve for x
    x = 2,251,147,566.41/54,056.90
  6. Step 6: Final answer
    x = 41,644.04

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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.