Home / 54,102.22-81,007.53-35,335.78

Finding the Fourth Proportional to 54,102.22, 81,007.53 and 35,335.78

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Solution

The fourth proportional to 54,102.22, 81,007.53 and 35,335.78 is: 52,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,102.22 : 81,007.53 = 35,335.78 : x
  2. Step 2: Convert to fraction form
    54,102.22/81,007.53 = 35,335.78/x
  3. Step 3: Cross multiply
    54,102.22x = 81,007.53 × 35,335.78
  4. Step 4: Simplify right side
    54,102.22x = 2,862,464,258.42
  5. Step 5: Solve for x
    x = 2,862,464,258.42/54,102.22
  6. Step 6: Final answer
    x = 52,908.44

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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.