Home / 47,138.10-70,730.19-22,180.63

Finding the Fourth Proportional to 47,138.10, 70,730.19 and 22,180.63

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Solution

The fourth proportional to 47,138.10, 70,730.19 and 22,180.63 is: 33,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.10 : 70,730.19 = 22,180.63 : x
  2. Step 2: Convert to fraction form
    47,138.10/70,730.19 = 22,180.63/x
  3. Step 3: Cross multiply
    47,138.10x = 70,730.19 × 22,180.63
  4. Step 4: Simplify right side
    47,138.10x = 1,568,839,997.39
  5. Step 5: Solve for x
    x = 1,568,839,997.39/47,138.10
  6. Step 6: Final answer
    x = 33,281.78

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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.