Home / 51,563.76-71,157.82-28,902.80

Finding the Fourth Proportional to 51,563.76, 71,157.82 and 28,902.80

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Solution

The fourth proportional to 51,563.76, 71,157.82 and 28,902.80 is: 39,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,563.76 : 71,157.82 = 28,902.80 : x
  2. Step 2: Convert to fraction form
    51,563.76/71,157.82 = 28,902.80/x
  3. Step 3: Cross multiply
    51,563.76x = 71,157.82 × 28,902.80
  4. Step 4: Simplify right side
    51,563.76x = 2,056,660,239.90
  5. Step 5: Solve for x
    x = 2,056,660,239.90/51,563.76
  6. Step 6: Final answer
    x = 39,885.77

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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.