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Finding the Fourth Proportional to 61,982.72, 92,900.28 and 32,392.64

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Solution

The fourth proportional to 61,982.72, 92,900.28 and 32,392.64 is: 48,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.72 : 92,900.28 = 32,392.64 : x
  2. Step 2: Convert to fraction form
    61,982.72/92,900.28 = 32,392.64/x
  3. Step 3: Cross multiply
    61,982.72x = 92,900.28 × 32,392.64
  4. Step 4: Simplify right side
    61,982.72x = 3,009,285,325.94
  5. Step 5: Solve for x
    x = 3,009,285,325.94/61,982.72
  6. Step 6: Final answer
    x = 48,550.39

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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.