Home / 51,861.22-71,569.38-30,640.44

Finding the Fourth Proportional to 51,861.22, 71,569.38 and 30,640.44

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Solution

The fourth proportional to 51,861.22, 71,569.38 and 30,640.44 is: 42,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861.22 : 71,569.38 = 30,640.44 : x
  2. Step 2: Convert to fraction form
    51,861.22/71,569.38 = 30,640.44/x
  3. Step 3: Cross multiply
    51,861.22x = 71,569.38 × 30,640.44
  4. Step 4: Simplify right side
    51,861.22x = 2,192,917,293.73
  5. Step 5: Solve for x
    x = 2,192,917,293.73/51,861.22
  6. Step 6: Final answer
    x = 42,284.34

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1.5x scale

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.