Home / 54,344.26-81,528.66-19,283.92

Finding the Fourth Proportional to 54,344.26, 81,528.66 and 19,283.92

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Solution

The fourth proportional to 54,344.26, 81,528.66 and 19,283.92 is: 28,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,344.26 : 81,528.66 = 19,283.92 : x
  2. Step 2: Convert to fraction form
    54,344.26/81,528.66 = 19,283.92/x
  3. Step 3: Cross multiply
    54,344.26x = 81,528.66 × 19,283.92
  4. Step 4: Simplify right side
    54,344.26x = 1,572,192,157.15
  5. Step 5: Solve for x
    x = 1,572,192,157.15/54,344.26
  6. Step 6: Final answer
    x = 28,930.23

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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.