Home / 54,660.96-75,433.41-30,787.29

Finding the Fourth Proportional to 54,660.96, 75,433.41 and 30,787.29

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Solution

The fourth proportional to 54,660.96, 75,433.41 and 30,787.29 is: 42,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.96 : 75,433.41 = 30,787.29 : x
  2. Step 2: Convert to fraction form
    54,660.96/75,433.41 = 30,787.29/x
  3. Step 3: Cross multiply
    54,660.96x = 75,433.41 × 30,787.29
  4. Step 4: Simplify right side
    54,660.96x = 2,322,390,269.36
  5. Step 5: Solve for x
    x = 2,322,390,269.36/54,660.96
  6. Step 6: Final answer
    x = 42,487.18

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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.