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Finding the Fourth Proportional to 52,557.44, 78,860.78 and 22,971.44

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Solution

The fourth proportional to 52,557.44, 78,860.78 and 22,971.44 is: 34,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,557.44 : 78,860.78 = 22,971.44 : x
  2. Step 2: Convert to fraction form
    52,557.44/78,860.78 = 22,971.44/x
  3. Step 3: Cross multiply
    52,557.44x = 78,860.78 × 22,971.44
  4. Step 4: Simplify right side
    52,557.44x = 1,811,545,676.12
  5. Step 5: Solve for x
    x = 1,811,545,676.12/52,557.44
  6. Step 6: Final answer
    x = 34,467.92

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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.