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Finding the Fourth Proportional to 34,581.03, 51,873.05 and 9,620.79

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Solution

The fourth proportional to 34,581.03, 51,873.05 and 9,620.79 is: 14,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,581.03 : 51,873.05 = 9,620.79 : x
  2. Step 2: Convert to fraction form
    34,581.03/51,873.05 = 9,620.79/x
  3. Step 3: Cross multiply
    34,581.03x = 51,873.05 × 9,620.79
  4. Step 4: Simplify right side
    34,581.03x = 499,059,672.61
  5. Step 5: Solve for x
    x = 499,059,672.61/34,581.03
  6. Step 6: Final answer
    x = 14,431.60

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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.