Home / 54,225.44-81,352.18-31,755.09

Finding the Fourth Proportional to 54,225.44, 81,352.18 and 31,755.09

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Solution

The fourth proportional to 54,225.44, 81,352.18 and 31,755.09 is: 47,640.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,225.44 : 81,352.18 = 31,755.09 : x
  2. Step 2: Convert to fraction form
    54,225.44/81,352.18 = 31,755.09/x
  3. Step 3: Cross multiply
    54,225.44x = 81,352.18 × 31,755.09
  4. Step 4: Simplify right side
    54,225.44x = 2,583,346,142.36
  5. Step 5: Solve for x
    x = 2,583,346,142.36/54,225.44
  6. Step 6: Final answer
    x = 47,640.85

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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.