Home / 53,431.12-73,735.40-29,558.56

Finding the Fourth Proportional to 53,431.12, 73,735.40 and 29,558.56

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Solution

The fourth proportional to 53,431.12, 73,735.40 and 29,558.56 is: 40,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,431.12 : 73,735.40 = 29,558.56 : x
  2. Step 2: Convert to fraction form
    53,431.12/73,735.40 = 29,558.56/x
  3. Step 3: Cross multiply
    53,431.12x = 73,735.40 × 29,558.56
  4. Step 4: Simplify right side
    53,431.12x = 2,179,512,245.02
  5. Step 5: Solve for x
    x = 2,179,512,245.02/53,431.12
  6. Step 6: Final answer
    x = 40,791.06

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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.