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Finding the Fourth Proportional to 61,451.92, 92,208 and 22,012.08

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Solution

The fourth proportional to 61,451.92, 92,208 and 22,012.08 is: 33,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,451.92 : 92,208 = 22,012.08 : x
  2. Step 2: Convert to fraction form
    61,451.92/92,208 = 22,012.08/x
  3. Step 3: Cross multiply
    61,451.92x = 92,208 × 22,012.08
  4. Step 4: Simplify right side
    61,451.92x = 2,029,689,872.64
  5. Step 5: Solve for x
    x = 2,029,689,872.64/61,451.92
  6. Step 6: Final answer
    x = 33,028.91

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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.