Home / 54,240.20-74,842.84-30,367.88

Finding the Fourth Proportional to 54,240.20, 74,842.84 and 30,367.88

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Solution

The fourth proportional to 54,240.20, 74,842.84 and 30,367.88 is: 41,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,240.20 : 74,842.84 = 30,367.88 : x
  2. Step 2: Convert to fraction form
    54,240.20/74,842.84 = 30,367.88/x
  3. Step 3: Cross multiply
    54,240.20x = 74,842.84 × 30,367.88
  4. Step 4: Simplify right side
    54,240.20x = 2,272,818,383.98
  5. Step 5: Solve for x
    x = 2,272,818,383.98/54,240.20
  6. Step 6: Final answer
    x = 41,902.84

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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.