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Finding the Fourth Proportional to 45,895.72, 68,745.30 and 22,473.40

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Solution

The fourth proportional to 45,895.72, 68,745.30 and 22,473.40 is: 33,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.72 : 68,745.30 = 22,473.40 : x
  2. Step 2: Convert to fraction form
    45,895.72/68,745.30 = 22,473.40/x
  3. Step 3: Cross multiply
    45,895.72x = 68,745.30 × 22,473.40
  4. Step 4: Simplify right side
    45,895.72x = 1,544,940,625.02
  5. Step 5: Solve for x
    x = 1,544,940,625.02/45,895.72
  6. Step 6: Final answer
    x = 33,661.98

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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.