Home / 47,207.05-70,794.25-20,930.17

Finding the Fourth Proportional to 47,207.05, 70,794.25 and 20,930.17

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Solution

The fourth proportional to 47,207.05, 70,794.25 and 20,930.17 is: 31,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,207.05 : 70,794.25 = 20,930.17 : x
  2. Step 2: Convert to fraction form
    47,207.05/70,794.25 = 20,930.17/x
  3. Step 3: Cross multiply
    47,207.05x = 70,794.25 × 20,930.17
  4. Step 4: Simplify right side
    47,207.05x = 1,481,735,687.52
  5. Step 5: Solve for x
    x = 1,481,735,687.52/47,207.05
  6. Step 6: Final answer
    x = 31,388.02

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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.