Home / 34,249.95-51,374.19-15,781.95

Finding the Fourth Proportional to 34,249.95, 51,374.19 and 15,781.95

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Solution

The fourth proportional to 34,249.95, 51,374.19 and 15,781.95 is: 23,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,249.95 : 51,374.19 = 15,781.95 : x
  2. Step 2: Convert to fraction form
    34,249.95/51,374.19 = 15,781.95/x
  3. Step 3: Cross multiply
    34,249.95x = 51,374.19 × 15,781.95
  4. Step 4: Simplify right side
    34,249.95x = 810,784,897.87
  5. Step 5: Solve for x
    x = 810,784,897.87/34,249.95
  6. Step 6: Final answer
    x = 23,672.59

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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.