Home / 43,711.80-65,616.30-27,090.60

Finding the Fourth Proportional to 43,711.80, 65,616.30 and 27,090.60

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Solution

The fourth proportional to 43,711.80, 65,616.30 and 27,090.60 is: 40,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,711.80 : 65,616.30 = 27,090.60 : x
  2. Step 2: Convert to fraction form
    43,711.80/65,616.30 = 27,090.60/x
  3. Step 3: Cross multiply
    43,711.80x = 65,616.30 × 27,090.60
  4. Step 4: Simplify right side
    43,711.80x = 1,777,584,936.78
  5. Step 5: Solve for x
    x = 1,777,584,936.78/43,711.80
  6. Step 6: Final answer
    x = 40,666.02

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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.