Home / 47,922.29-71,883.42-12,861.94

Finding the Fourth Proportional to 47,922.29, 71,883.42 and 12,861.94

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Solution

The fourth proportional to 47,922.29, 71,883.42 and 12,861.94 is: 19,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,922.29 : 71,883.42 = 12,861.94 : x
  2. Step 2: Convert to fraction form
    47,922.29/71,883.42 = 12,861.94/x
  3. Step 3: Cross multiply
    47,922.29x = 71,883.42 × 12,861.94
  4. Step 4: Simplify right side
    47,922.29x = 924,560,362.13
  5. Step 5: Solve for x
    x = 924,560,362.13/47,922.29
  6. Step 6: Final answer
    x = 19,292.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.