Home / 54,000.20-74,520.48-30,127.88

Finding the Fourth Proportional to 54,000.20, 74,520.48 and 30,127.88

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Solution

The fourth proportional to 54,000.20, 74,520.48 and 30,127.88 is: 41,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,000.20 : 74,520.48 = 30,127.88 : x
  2. Step 2: Convert to fraction form
    54,000.20/74,520.48 = 30,127.88/x
  3. Step 3: Cross multiply
    54,000.20x = 74,520.48 × 30,127.88
  4. Step 4: Simplify right side
    54,000.20x = 2,245,143,819.36
  5. Step 5: Solve for x
    x = 2,245,143,819.36/54,000.20
  6. Step 6: Final answer
    x = 41,576.59

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1.5x scale

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.