Home / 57,717.09-79,682.72-43,997.45

Finding the Fourth Proportional to 57,717.09, 79,682.72 and 43,997.45

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Solution

The fourth proportional to 57,717.09, 79,682.72 and 43,997.45 is: 60,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717.09 : 79,682.72 = 43,997.45 : x
  2. Step 2: Convert to fraction form
    57,717.09/79,682.72 = 43,997.45/x
  3. Step 3: Cross multiply
    57,717.09x = 79,682.72 × 43,997.45
  4. Step 4: Simplify right side
    57,717.09x = 3,505,835,870.66
  5. Step 5: Solve for x
    x = 3,505,835,870.66/57,717.09
  6. Step 6: Final answer
    x = 60,741.73

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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.