Home / 37,872.92-52,262.40-21,736.50

Finding the Fourth Proportional to 37,872.92, 52,262.40 and 21,736.50

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Solution

The fourth proportional to 37,872.92, 52,262.40 and 21,736.50 is: 29,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.92 : 52,262.40 = 21,736.50 : x
  2. Step 2: Convert to fraction form
    37,872.92/52,262.40 = 21,736.50/x
  3. Step 3: Cross multiply
    37,872.92x = 52,262.40 × 21,736.50
  4. Step 4: Simplify right side
    37,872.92x = 1,136,001,657.60
  5. Step 5: Solve for x
    x = 1,136,001,657.60/37,872.92
  6. Step 6: Final answer
    x = 29,995.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.