Home / 54,180.40-81,240-25,297.60

Finding the Fourth Proportional to 54,180.40, 81,240 and 25,297.60

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Solution

The fourth proportional to 54,180.40, 81,240 and 25,297.60 is: 37,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.40 : 81,240 = 25,297.60 : x
  2. Step 2: Convert to fraction form
    54,180.40/81,240 = 25,297.60/x
  3. Step 3: Cross multiply
    54,180.40x = 81,240 × 25,297.60
  4. Step 4: Simplify right side
    54,180.40x = 2,055,177,024
  5. Step 5: Solve for x
    x = 2,055,177,024/54,180.40
  6. Step 6: Final answer
    x = 37,932.11

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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.