Home / 55,262.71-82,902.27-19,721.26

Finding the Fourth Proportional to 55,262.71, 82,902.27 and 19,721.26

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Solution

The fourth proportional to 55,262.71, 82,902.27 and 19,721.26 is: 29,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,262.71 : 82,902.27 = 19,721.26 : x
  2. Step 2: Convert to fraction form
    55,262.71/82,902.27 = 19,721.26/x
  3. Step 3: Cross multiply
    55,262.71x = 82,902.27 × 19,721.26
  4. Step 4: Simplify right side
    55,262.71x = 1,634,937,221.26
  5. Step 5: Solve for x
    x = 1,634,937,221.26/55,262.71
  6. Step 6: Final answer
    x = 29,584.82

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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.