Home / 54,375.35-81,536.65-31,893.37

Finding the Fourth Proportional to 54,375.35, 81,536.65 and 31,893.37

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Solution

The fourth proportional to 54,375.35, 81,536.65 and 31,893.37 is: 47,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.35 : 81,536.65 = 31,893.37 : x
  2. Step 2: Convert to fraction form
    54,375.35/81,536.65 = 31,893.37/x
  3. Step 3: Cross multiply
    54,375.35x = 81,536.65 × 31,893.37
  4. Step 4: Simplify right side
    54,375.35x = 2,600,479,043.27
  5. Step 5: Solve for x
    x = 2,600,479,043.27/54,375.35
  6. Step 6: Final answer
    x = 47,824.59

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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.