Home / 54,811.20-75,638.56-29,660.48

Finding the Fourth Proportional to 54,811.20, 75,638.56 and 29,660.48

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Solution

The fourth proportional to 54,811.20, 75,638.56 and 29,660.48 is: 40,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.20 : 75,638.56 = 29,660.48 : x
  2. Step 2: Convert to fraction form
    54,811.20/75,638.56 = 29,660.48/x
  3. Step 3: Cross multiply
    54,811.20x = 75,638.56 × 29,660.48
  4. Step 4: Simplify right side
    54,811.20x = 2,243,475,996.11
  5. Step 5: Solve for x
    x = 2,243,475,996.11/54,811.20
  6. Step 6: Final answer
    x = 40,930.98

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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.