Home / 31,940.14-47,906.54-8,564.74

Finding the Fourth Proportional to 31,940.14, 47,906.54 and 8,564.74

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Solution

The fourth proportional to 31,940.14, 47,906.54 and 8,564.74 is: 12,846.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,940.14 : 47,906.54 = 8,564.74 : x
  2. Step 2: Convert to fraction form
    31,940.14/47,906.54 = 8,564.74/x
  3. Step 3: Cross multiply
    31,940.14x = 47,906.54 × 8,564.74
  4. Step 4: Simplify right side
    31,940.14x = 410,307,059.40
  5. Step 5: Solve for x
    x = 410,307,059.40/31,940.14
  6. Step 6: Final answer
    x = 12,846.13

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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.