Home / 51,817.62-71,508.21-29,156.64

Finding the Fourth Proportional to 51,817.62, 71,508.21 and 29,156.64

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Solution

The fourth proportional to 51,817.62, 71,508.21 and 29,156.64 is: 40,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.62 : 71,508.21 = 29,156.64 : x
  2. Step 2: Convert to fraction form
    51,817.62/71,508.21 = 29,156.64/x
  3. Step 3: Cross multiply
    51,817.62x = 71,508.21 × 29,156.64
  4. Step 4: Simplify right side
    51,817.62x = 2,084,939,136.01
  5. Step 5: Solve for x
    x = 2,084,939,136.01/51,817.62
  6. Step 6: Final answer
    x = 40,236.10

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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.