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Finding the Fourth Proportional to 60,940.65, 91,424.64 and 21,498.09

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Solution

The fourth proportional to 60,940.65, 91,424.64 and 21,498.09 is: 32,251.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.65 : 91,424.64 = 21,498.09 : x
  2. Step 2: Convert to fraction form
    60,940.65/91,424.64 = 21,498.09/x
  3. Step 3: Cross multiply
    60,940.65x = 91,424.64 × 21,498.09
  4. Step 4: Simplify right side
    60,940.65x = 1,965,455,138.94
  5. Step 5: Solve for x
    x = 1,965,455,138.94/60,940.65
  6. Step 6: Final answer
    x = 32,251.96

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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.