Home / 54,330.80-81,496.20-19,265.90

Finding the Fourth Proportional to 54,330.80, 81,496.20 and 19,265.90

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Solution

The fourth proportional to 54,330.80, 81,496.20 and 19,265.90 is: 28,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.80 : 81,496.20 = 19,265.90 : x
  2. Step 2: Convert to fraction form
    54,330.80/81,496.20 = 19,265.90/x
  3. Step 3: Cross multiply
    54,330.80x = 81,496.20 × 19,265.90
  4. Step 4: Simplify right side
    54,330.80x = 1,570,097,639.58
  5. Step 5: Solve for x
    x = 1,570,097,639.58/54,330.80
  6. Step 6: Final answer
    x = 28,898.85

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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.