Home / 51,335.52-77,040.14-21,761.64

Finding the Fourth Proportional to 51,335.52, 77,040.14 and 21,761.64

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Solution

The fourth proportional to 51,335.52, 77,040.14 and 21,761.64 is: 32,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,335.52 : 77,040.14 = 21,761.64 : x
  2. Step 2: Convert to fraction form
    51,335.52/77,040.14 = 21,761.64/x
  3. Step 3: Cross multiply
    51,335.52x = 77,040.14 × 21,761.64
  4. Step 4: Simplify right side
    51,335.52x = 1,676,519,792.23
  5. Step 5: Solve for x
    x = 1,676,519,792.23/51,335.52
  6. Step 6: Final answer
    x = 32,658.09

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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.