Home / 30,382.66-45,575.37-9,321.16

Finding the Fourth Proportional to 30,382.66, 45,575.37 and 9,321.16

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Solution

The fourth proportional to 30,382.66, 45,575.37 and 9,321.16 is: 13,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.66 : 45,575.37 = 9,321.16 : x
  2. Step 2: Convert to fraction form
    30,382.66/45,575.37 = 9,321.16/x
  3. Step 3: Cross multiply
    30,382.66x = 45,575.37 × 9,321.16
  4. Step 4: Simplify right side
    30,382.66x = 424,815,315.83
  5. Step 5: Solve for x
    x = 424,815,315.83/30,382.66
  6. Step 6: Final answer
    x = 13,982.16

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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.