Home / 54,008.20-81,012.30-34,222.60

Finding the Fourth Proportional to 54,008.20, 81,012.30 and 34,222.60

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Solution

The fourth proportional to 54,008.20, 81,012.30 and 34,222.60 is: 51,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,008.20 : 81,012.30 = 34,222.60 : x
  2. Step 2: Convert to fraction form
    54,008.20/81,012.30 = 34,222.60/x
  3. Step 3: Cross multiply
    54,008.20x = 81,012.30 × 34,222.60
  4. Step 4: Simplify right side
    54,008.20x = 2,772,451,537.98
  5. Step 5: Solve for x
    x = 2,772,451,537.98/54,008.20
  6. Step 6: Final answer
    x = 51,333.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.