Home / 54,848.05-75,697.82-31,564

Finding the Fourth Proportional to 54,848.05, 75,697.82 and 31,564

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Solution

The fourth proportional to 54,848.05, 75,697.82 and 31,564 is: 43,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848.05 : 75,697.82 = 31,564 : x
  2. Step 2: Convert to fraction form
    54,848.05/75,697.82 = 31,564/x
  3. Step 3: Cross multiply
    54,848.05x = 75,697.82 × 31,564
  4. Step 4: Simplify right side
    54,848.05x = 2,389,325,990.48
  5. Step 5: Solve for x
    x = 2,389,325,990.48/54,848.05
  6. Step 6: Final answer
    x = 43,562.64

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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.