Home / 64,477.83-88,979.94-36,190.20

Finding the Fourth Proportional to 64,477.83, 88,979.94 and 36,190.20

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Solution

The fourth proportional to 64,477.83, 88,979.94 and 36,190.20 is: 49,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,477.83 : 88,979.94 = 36,190.20 : x
  2. Step 2: Convert to fraction form
    64,477.83/88,979.94 = 36,190.20/x
  3. Step 3: Cross multiply
    64,477.83x = 88,979.94 × 36,190.20
  4. Step 4: Simplify right side
    64,477.83x = 3,220,201,824.59
  5. Step 5: Solve for x
    x = 3,220,201,824.59/64,477.83
  6. Step 6: Final answer
    x = 49,942.78

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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.