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Finding the Fourth Proportional to 63,370, 87,450.60 and 36,874

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Solution

The fourth proportional to 63,370, 87,450.60 and 36,874 is: 50,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,370 : 87,450.60 = 36,874 : x
  2. Step 2: Convert to fraction form
    63,370/87,450.60 = 36,874/x
  3. Step 3: Cross multiply
    63,370x = 87,450.60 × 36,874
  4. Step 4: Simplify right side
    63,370x = 3,224,653,424.40
  5. Step 5: Solve for x
    x = 3,224,653,424.40/63,370
  6. Step 6: Final answer
    x = 50,886.12

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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.