Home / 54,108.06-81,118.38-22,541.90

Finding the Fourth Proportional to 54,108.06, 81,118.38 and 22,541.90

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Solution

The fourth proportional to 54,108.06, 81,118.38 and 22,541.90 is: 33,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.06 : 81,118.38 = 22,541.90 : x
  2. Step 2: Convert to fraction form
    54,108.06/81,118.38 = 22,541.90/x
  3. Step 3: Cross multiply
    54,108.06x = 81,118.38 × 22,541.90
  4. Step 4: Simplify right side
    54,108.06x = 1,828,562,004.53
  5. Step 5: Solve for x
    x = 1,828,562,004.53/54,108.06
  6. Step 6: Final answer
    x = 33,794.63

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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.