Home / 54,126.53-81,197.32-16,689.55

Finding the Fourth Proportional to 54,126.53, 81,197.32 and 16,689.55

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Solution

The fourth proportional to 54,126.53, 81,197.32 and 16,689.55 is: 25,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.53 : 81,197.32 = 16,689.55 : x
  2. Step 2: Convert to fraction form
    54,126.53/81,197.32 = 16,689.55/x
  3. Step 3: Cross multiply
    54,126.53x = 81,197.32 × 16,689.55
  4. Step 4: Simplify right side
    54,126.53x = 1,355,146,655.18
  5. Step 5: Solve for x
    x = 1,355,146,655.18/54,126.53
  6. Step 6: Final answer
    x = 25,036.64

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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.