Home / 72,580.20-108,883.04-33,141.30

Finding the Fourth Proportional to 72,580.20, 108,883.04 and 33,141.30

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Solution

The fourth proportional to 72,580.20, 108,883.04 and 33,141.30 is: 49,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,580.20 : 108,883.04 = 33,141.30 : x
  2. Step 2: Convert to fraction form
    72,580.20/108,883.04 = 33,141.30/x
  3. Step 3: Cross multiply
    72,580.20x = 108,883.04 × 33,141.30
  4. Step 4: Simplify right side
    72,580.20x = 3,608,525,493.55
  5. Step 5: Solve for x
    x = 3,608,525,493.55/72,580.20
  6. Step 6: Final answer
    x = 49,717.77

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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.