Home / 57,067.44-78,755.37-31,573.35

Finding the Fourth Proportional to 57,067.44, 78,755.37 and 31,573.35

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Solution

The fourth proportional to 57,067.44, 78,755.37 and 31,573.35 is: 43,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,067.44 : 78,755.37 = 31,573.35 : x
  2. Step 2: Convert to fraction form
    57,067.44/78,755.37 = 31,573.35/x
  3. Step 3: Cross multiply
    57,067.44x = 78,755.37 × 31,573.35
  4. Step 4: Simplify right side
    57,067.44x = 2,486,570,861.39
  5. Step 5: Solve for x
    x = 2,486,570,861.39/57,067.44
  6. Step 6: Final answer
    x = 43,572.50

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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.