Home / 20,040.31-30,062.04-6,713.36

Finding the Fourth Proportional to 20,040.31, 30,062.04 and 6,713.36

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Solution

The fourth proportional to 20,040.31, 30,062.04 and 6,713.36 is: 10,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040.31 : 30,062.04 = 6,713.36 : x
  2. Step 2: Convert to fraction form
    20,040.31/30,062.04 = 6,713.36/x
  3. Step 3: Cross multiply
    20,040.31x = 30,062.04 × 6,713.36
  4. Step 4: Simplify right side
    20,040.31x = 201,817,149.55
  5. Step 5: Solve for x
    x = 201,817,149.55/20,040.31
  6. Step 6: Final answer
    x = 10,070.56

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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.