Home / 54,049.62-74,587.20-30,178.50

Finding the Fourth Proportional to 54,049.62, 74,587.20 and 30,178.50

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Solution

The fourth proportional to 54,049.62, 74,587.20 and 30,178.50 is: 41,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,049.62 : 74,587.20 = 30,178.50 : x
  2. Step 2: Convert to fraction form
    54,049.62/74,587.20 = 30,178.50/x
  3. Step 3: Cross multiply
    54,049.62x = 74,587.20 × 30,178.50
  4. Step 4: Simplify right side
    54,049.62x = 2,250,929,815.20
  5. Step 5: Solve for x
    x = 2,250,929,815.20/54,049.62
  6. Step 6: Final answer
    x = 41,645.62

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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.