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Finding the Fourth Proportional to 34,449.63, 51,664.08 and 12,260.07

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Solution

The fourth proportional to 34,449.63, 51,664.08 and 12,260.07 is: 18,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.63 : 51,664.08 = 12,260.07 : x
  2. Step 2: Convert to fraction form
    34,449.63/51,664.08 = 12,260.07/x
  3. Step 3: Cross multiply
    34,449.63x = 51,664.08 × 12,260.07
  4. Step 4: Simplify right side
    34,449.63x = 633,405,237.29
  5. Step 5: Solve for x
    x = 633,405,237.29/34,449.63
  6. Step 6: Final answer
    x = 18,386.42

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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.