Home / 51,919.62-71,680.20-34,045.80

Finding the Fourth Proportional to 51,919.62, 71,680.20 and 34,045.80

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Solution

The fourth proportional to 51,919.62, 71,680.20 and 34,045.80 is: 47,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.62 : 71,680.20 = 34,045.80 : x
  2. Step 2: Convert to fraction form
    51,919.62/71,680.20 = 34,045.80/x
  3. Step 3: Cross multiply
    51,919.62x = 71,680.20 × 34,045.80
  4. Step 4: Simplify right side
    51,919.62x = 2,440,409,753.16
  5. Step 5: Solve for x
    x = 2,440,409,753.16/51,919.62
  6. Step 6: Final answer
    x = 47,003.61

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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.