Home / 47,536.38-71,304.38-11,997.78

Finding the Fourth Proportional to 47,536.38, 71,304.38 and 11,997.78

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Solution

The fourth proportional to 47,536.38, 71,304.38 and 11,997.78 is: 17,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,536.38 : 71,304.38 = 11,997.78 : x
  2. Step 2: Convert to fraction form
    47,536.38/71,304.38 = 11,997.78/x
  3. Step 3: Cross multiply
    47,536.38x = 71,304.38 × 11,997.78
  4. Step 4: Simplify right side
    47,536.38x = 855,494,264.28
  5. Step 5: Solve for x
    x = 855,494,264.28/47,536.38
  6. Step 6: Final answer
    x = 17,996.62

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1.5x scale

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.