Home / 51,876.16-71,581.20-29,213.96

Finding the Fourth Proportional to 51,876.16, 71,581.20 and 29,213.96

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Solution

The fourth proportional to 51,876.16, 71,581.20 and 29,213.96 is: 40,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.16 : 71,581.20 = 29,213.96 : x
  2. Step 2: Convert to fraction form
    51,876.16/71,581.20 = 29,213.96/x
  3. Step 3: Cross multiply
    51,876.16x = 71,581.20 × 29,213.96
  4. Step 4: Simplify right side
    51,876.16x = 2,091,170,313.55
  5. Step 5: Solve for x
    x = 2,091,170,313.55/51,876.16
  6. Step 6: Final answer
    x = 40,310.82

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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.