Home / 30,504.12-45,757.80-9,726

Finding the Fourth Proportional to 30,504.12, 45,757.80 and 9,726

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Solution

The fourth proportional to 30,504.12, 45,757.80 and 9,726 is: 14,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,504.12 : 45,757.80 = 9,726 : x
  2. Step 2: Convert to fraction form
    30,504.12/45,757.80 = 9,726/x
  3. Step 3: Cross multiply
    30,504.12x = 45,757.80 × 9,726
  4. Step 4: Simplify right side
    30,504.12x = 445,040,362.80
  5. Step 5: Solve for x
    x = 445,040,362.80/30,504.12
  6. Step 6: Final answer
    x = 14,589.52

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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.