Home / 54,137.04-81,150.24-30,714

Finding the Fourth Proportional to 54,137.04, 81,150.24 and 30,714

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Solution

The fourth proportional to 54,137.04, 81,150.24 and 30,714 is: 46,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.04 : 81,150.24 = 30,714 : x
  2. Step 2: Convert to fraction form
    54,137.04/81,150.24 = 30,714/x
  3. Step 3: Cross multiply
    54,137.04x = 81,150.24 × 30,714
  4. Step 4: Simplify right side
    54,137.04x = 2,492,448,471.36
  5. Step 5: Solve for x
    x = 2,492,448,471.36/54,137.04
  6. Step 6: Final answer
    x = 46,039.61

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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.