Home / 45,408.36-68,143.86-15,826.44

Finding the Fourth Proportional to 45,408.36, 68,143.86 and 15,826.44

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Solution

The fourth proportional to 45,408.36, 68,143.86 and 15,826.44 is: 23,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.36 : 68,143.86 = 15,826.44 : x
  2. Step 2: Convert to fraction form
    45,408.36/68,143.86 = 15,826.44/x
  3. Step 3: Cross multiply
    45,408.36x = 68,143.86 × 15,826.44
  4. Step 4: Simplify right side
    45,408.36x = 1,078,474,711.66
  5. Step 5: Solve for x
    x = 1,078,474,711.66/45,408.36
  6. Step 6: Final answer
    x = 23,750.58

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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.