Home / 54,087.32-81,130.62-14,644.28

Finding the Fourth Proportional to 54,087.32, 81,130.62 and 14,644.28

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Solution

The fourth proportional to 54,087.32, 81,130.62 and 14,644.28 is: 21,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.32 : 81,130.62 = 14,644.28 : x
  2. Step 2: Convert to fraction form
    54,087.32/81,130.62 = 14,644.28/x
  3. Step 3: Cross multiply
    54,087.32x = 81,130.62 × 14,644.28
  4. Step 4: Simplify right side
    54,087.32x = 1,188,099,515.85
  5. Step 5: Solve for x
    x = 1,188,099,515.85/54,087.32
  6. Step 6: Final answer
    x = 21,966.32

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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.