Home / 51,865.57-71,575.91-31,722.09

Finding the Fourth Proportional to 51,865.57, 71,575.91 and 31,722.09

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Solution

The fourth proportional to 51,865.57, 71,575.91 and 31,722.09 is: 43,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,865.57 : 71,575.91 = 31,722.09 : x
  2. Step 2: Convert to fraction form
    51,865.57/71,575.91 = 31,722.09/x
  3. Step 3: Cross multiply
    51,865.57x = 71,575.91 × 31,722.09
  4. Step 4: Simplify right side
    51,865.57x = 2,270,537,458.85
  5. Step 5: Solve for x
    x = 2,270,537,458.85/51,865.57
  6. Step 6: Final answer
    x = 43,777.35

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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.