Home / 43,261.62-64,892.02-13,679.46

Finding the Fourth Proportional to 43,261.62, 64,892.02 and 13,679.46

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Solution

The fourth proportional to 43,261.62, 64,892.02 and 13,679.46 is: 20,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,261.62 : 64,892.02 = 13,679.46 : x
  2. Step 2: Convert to fraction form
    43,261.62/64,892.02 = 13,679.46/x
  3. Step 3: Cross multiply
    43,261.62x = 64,892.02 × 13,679.46
  4. Step 4: Simplify right side
    43,261.62x = 887,687,791.91
  5. Step 5: Solve for x
    x = 887,687,791.91/43,261.62
  6. Step 6: Final answer
    x = 20,519.06

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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.