Home / 40,419.80-60,629.70-27,735.20

Finding the Fourth Proportional to 40,419.80, 60,629.70 and 27,735.20

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Solution

The fourth proportional to 40,419.80, 60,629.70 and 27,735.20 is: 41,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.80 : 60,629.70 = 27,735.20 : x
  2. Step 2: Convert to fraction form
    40,419.80/60,629.70 = 27,735.20/x
  3. Step 3: Cross multiply
    40,419.80x = 60,629.70 × 27,735.20
  4. Step 4: Simplify right side
    40,419.80x = 1,681,576,855.44
  5. Step 5: Solve for x
    x = 1,681,576,855.44/40,419.80
  6. Step 6: Final answer
    x = 41,602.80

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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.