Home / 54,953.29-82,428.39-17,515.60

Finding the Fourth Proportional to 54,953.29, 82,428.39 and 17,515.60

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Solution

The fourth proportional to 54,953.29, 82,428.39 and 17,515.60 is: 26,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,953.29 : 82,428.39 = 17,515.60 : x
  2. Step 2: Convert to fraction form
    54,953.29/82,428.39 = 17,515.60/x
  3. Step 3: Cross multiply
    54,953.29x = 82,428.39 × 17,515.60
  4. Step 4: Simplify right side
    54,953.29x = 1,443,782,899.79
  5. Step 5: Solve for x
    x = 1,443,782,899.79/54,953.29
  6. Step 6: Final answer
    x = 26,272.91

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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.