Home / 34,108.46-47,057.19-20,670.02

Finding the Fourth Proportional to 34,108.46, 47,057.19 and 20,670.02

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Solution

The fourth proportional to 34,108.46, 47,057.19 and 20,670.02 is: 28,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,108.46 : 47,057.19 = 20,670.02 : x
  2. Step 2: Convert to fraction form
    34,108.46/47,057.19 = 20,670.02/x
  3. Step 3: Cross multiply
    34,108.46x = 47,057.19 × 20,670.02
  4. Step 4: Simplify right side
    34,108.46x = 972,673,058.44
  5. Step 5: Solve for x
    x = 972,673,058.44/34,108.46
  6. Step 6: Final answer
    x = 28,517.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.