Home / 55,004.26-82,506.40-19,943.94

Finding the Fourth Proportional to 55,004.26, 82,506.40 and 19,943.94

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Solution

The fourth proportional to 55,004.26, 82,506.40 and 19,943.94 is: 29,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,004.26 : 82,506.40 = 19,943.94 : x
  2. Step 2: Convert to fraction form
    55,004.26/82,506.40 = 19,943.94/x
  3. Step 3: Cross multiply
    55,004.26x = 82,506.40 × 19,943.94
  4. Step 4: Simplify right side
    55,004.26x = 1,645,502,691.22
  5. Step 5: Solve for x
    x = 1,645,502,691.22/55,004.26
  6. Step 6: Final answer
    x = 29,915.91

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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.