Home / 54,877.78-75,731.70-29,727.28

Finding the Fourth Proportional to 54,877.78, 75,731.70 and 29,727.28

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Solution

The fourth proportional to 54,877.78, 75,731.70 and 29,727.28 is: 41,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.78 : 75,731.70 = 29,727.28 : x
  2. Step 2: Convert to fraction form
    54,877.78/75,731.70 = 29,727.28/x
  3. Step 3: Cross multiply
    54,877.78x = 75,731.70 × 29,727.28
  4. Step 4: Simplify right side
    54,877.78x = 2,251,297,450.78
  5. Step 5: Solve for x
    x = 2,251,297,450.78/54,877.78
  6. Step 6: Final answer
    x = 41,023.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.