Home / 54,172.76-81,261.26-16,729.49

Finding the Fourth Proportional to 54,172.76, 81,261.26 and 16,729.49

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Solution

The fourth proportional to 54,172.76, 81,261.26 and 16,729.49 is: 25,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.76 : 81,261.26 = 16,729.49 : x
  2. Step 2: Convert to fraction form
    54,172.76/81,261.26 = 16,729.49/x
  3. Step 3: Cross multiply
    54,172.76x = 81,261.26 × 16,729.49
  4. Step 4: Simplify right side
    54,172.76x = 1,359,459,618.80
  5. Step 5: Solve for x
    x = 1,359,459,618.80/54,172.76
  6. Step 6: Final answer
    x = 25,094.90

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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.