Home / 51,872.40-71,582.97-29,211.30

Finding the Fourth Proportional to 51,872.40, 71,582.97 and 29,211.30

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Solution

The fourth proportional to 51,872.40, 71,582.97 and 29,211.30 is: 40,311.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,872.40 : 71,582.97 = 29,211.30 : x
  2. Step 2: Convert to fraction form
    51,872.40/71,582.97 = 29,211.30/x
  3. Step 3: Cross multiply
    51,872.40x = 71,582.97 × 29,211.30
  4. Step 4: Simplify right side
    51,872.40x = 2,091,031,611.56
  5. Step 5: Solve for x
    x = 2,091,031,611.56/51,872.40
  6. Step 6: Final answer
    x = 40,311.06

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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.