Home / 47,839.16-71,767.44-15,820.06

Finding the Fourth Proportional to 47,839.16, 71,767.44 and 15,820.06

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Solution

The fourth proportional to 47,839.16, 71,767.44 and 15,820.06 is: 23,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,839.16 : 71,767.44 = 15,820.06 : x
  2. Step 2: Convert to fraction form
    47,839.16/71,767.44 = 15,820.06/x
  3. Step 3: Cross multiply
    47,839.16x = 71,767.44 × 15,820.06
  4. Step 4: Simplify right side
    47,839.16x = 1,135,365,027.43
  5. Step 5: Solve for x
    x = 1,135,365,027.43/47,839.16
  6. Step 6: Final answer
    x = 23,732.97

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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.