Home / 51,974.47-77,961.02-12,531.27

Finding the Fourth Proportional to 51,974.47, 77,961.02 and 12,531.27

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Solution

The fourth proportional to 51,974.47, 77,961.02 and 12,531.27 is: 18,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,974.47 : 77,961.02 = 12,531.27 : x
  2. Step 2: Convert to fraction form
    51,974.47/77,961.02 = 12,531.27/x
  3. Step 3: Cross multiply
    51,974.47x = 77,961.02 × 12,531.27
  4. Step 4: Simplify right side
    51,974.47x = 976,950,591.10
  5. Step 5: Solve for x
    x = 976,950,591.10/51,974.47
  6. Step 6: Final answer
    x = 18,796.74

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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.