Home / 34,749.23-52,115.82-20,713.20

Finding the Fourth Proportional to 34,749.23, 52,115.82 and 20,713.20

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Solution

The fourth proportional to 34,749.23, 52,115.82 and 20,713.20 is: 31,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,749.23 : 52,115.82 = 20,713.20 : x
  2. Step 2: Convert to fraction form
    34,749.23/52,115.82 = 20,713.20/x
  3. Step 3: Cross multiply
    34,749.23x = 52,115.82 × 20,713.20
  4. Step 4: Simplify right side
    34,749.23x = 1,079,485,402.82
  5. Step 5: Solve for x
    x = 1,079,485,402.82/34,749.23
  6. Step 6: Final answer
    x = 31,065.02

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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.