Home / 54,380.59-81,576.52-18,841.84

Finding the Fourth Proportional to 54,380.59, 81,576.52 and 18,841.84

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Solution

The fourth proportional to 54,380.59, 81,576.52 and 18,841.84 is: 28,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.59 : 81,576.52 = 18,841.84 : x
  2. Step 2: Convert to fraction form
    54,380.59/81,576.52 = 18,841.84/x
  3. Step 3: Cross multiply
    54,380.59x = 81,576.52 × 18,841.84
  4. Step 4: Simplify right side
    54,380.59x = 1,537,051,835.22
  5. Step 5: Solve for x
    x = 1,537,051,835.22/54,380.59
  6. Step 6: Final answer
    x = 28,264.71

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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.