Home / 34,635.79-51,940.86-12,443.14

Finding the Fourth Proportional to 34,635.79, 51,940.86 and 12,443.14

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Solution

The fourth proportional to 34,635.79, 51,940.86 and 12,443.14 is: 18,660.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,635.79 : 51,940.86 = 12,443.14 : x
  2. Step 2: Convert to fraction form
    34,635.79/51,940.86 = 12,443.14/x
  3. Step 3: Cross multiply
    34,635.79x = 51,940.86 × 12,443.14
  4. Step 4: Simplify right side
    34,635.79x = 646,307,392.70
  5. Step 5: Solve for x
    x = 646,307,392.70/34,635.79
  6. Step 6: Final answer
    x = 18,660.10

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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.