Home / 53,912.30-80,852.86-18,372.82

Finding the Fourth Proportional to 53,912.30, 80,852.86 and 18,372.82

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Solution

The fourth proportional to 53,912.30, 80,852.86 and 18,372.82 is: 27,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,912.30 : 80,852.86 = 18,372.82 : x
  2. Step 2: Convert to fraction form
    53,912.30/80,852.86 = 18,372.82/x
  3. Step 3: Cross multiply
    53,912.30x = 80,852.86 × 18,372.82
  4. Step 4: Simplify right side
    53,912.30x = 1,485,495,043.27
  5. Step 5: Solve for x
    x = 1,485,495,043.27/53,912.30
  6. Step 6: Final answer
    x = 27,553.92

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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.