Home / 54,343.80-81,334.26-30,963.96

Finding the Fourth Proportional to 54,343.80, 81,334.26 and 30,963.96

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Solution

The fourth proportional to 54,343.80, 81,334.26 and 30,963.96 is: 46,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.80 : 81,334.26 = 30,963.96 : x
  2. Step 2: Convert to fraction form
    54,343.80/81,334.26 = 30,963.96/x
  3. Step 3: Cross multiply
    54,343.80x = 81,334.26 × 30,963.96
  4. Step 4: Simplify right side
    54,343.80x = 2,518,430,773.27
  5. Step 5: Solve for x
    x = 2,518,430,773.27/54,343.80
  6. Step 6: Final answer
    x = 46,342.56

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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.