Home / 47,971.53-71,949.20-12,903.39

Finding the Fourth Proportional to 47,971.53, 71,949.20 and 12,903.39

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Solution

The fourth proportional to 47,971.53, 71,949.20 and 12,903.39 is: 19,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,971.53 : 71,949.20 = 12,903.39 : x
  2. Step 2: Convert to fraction form
    47,971.53/71,949.20 = 12,903.39/x
  3. Step 3: Cross multiply
    47,971.53x = 71,949.20 × 12,903.39
  4. Step 4: Simplify right side
    47,971.53x = 928,388,523.27
  5. Step 5: Solve for x
    x = 928,388,523.27/47,971.53
  6. Step 6: Final answer
    x = 19,352.91

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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.