Home / 34,442.94-51,653.40-13,381.50

Finding the Fourth Proportional to 34,442.94, 51,653.40 and 13,381.50

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Solution

The fourth proportional to 34,442.94, 51,653.40 and 13,381.50 is: 20,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,442.94 : 51,653.40 = 13,381.50 : x
  2. Step 2: Convert to fraction form
    34,442.94/51,653.40 = 13,381.50/x
  3. Step 3: Cross multiply
    34,442.94x = 51,653.40 × 13,381.50
  4. Step 4: Simplify right side
    34,442.94x = 691,199,972.10
  5. Step 5: Solve for x
    x = 691,199,972.10/34,442.94
  6. Step 6: Final answer
    x = 20,067.97

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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.