Home / 57,099.19-78,796.48-32,891.33

Finding the Fourth Proportional to 57,099.19, 78,796.48 and 32,891.33

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Solution

The fourth proportional to 57,099.19, 78,796.48 and 32,891.33 is: 45,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.19 : 78,796.48 = 32,891.33 : x
  2. Step 2: Convert to fraction form
    57,099.19/78,796.48 = 32,891.33/x
  3. Step 3: Cross multiply
    57,099.19x = 78,796.48 × 32,891.33
  4. Step 4: Simplify right side
    57,099.19x = 2,591,720,468.08
  5. Step 5: Solve for x
    x = 2,591,720,468.08/57,099.19
  6. Step 6: Final answer
    x = 45,389.79

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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.