Home / 34,512.82-47,631.92-19,406.12

Finding the Fourth Proportional to 34,512.82, 47,631.92 and 19,406.12

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Solution

The fourth proportional to 34,512.82, 47,631.92 and 19,406.12 is: 26,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.82 : 47,631.92 = 19,406.12 : x
  2. Step 2: Convert to fraction form
    34,512.82/47,631.92 = 19,406.12/x
  3. Step 3: Cross multiply
    34,512.82x = 47,631.92 × 19,406.12
  4. Step 4: Simplify right side
    34,512.82x = 924,350,420.16
  5. Step 5: Solve for x
    x = 924,350,420.16/34,512.82
  6. Step 6: Final answer
    x = 26,782.82

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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.