Home / 30,382.70-45,576.12-8,196.26

Finding the Fourth Proportional to 30,382.70, 45,576.12 and 8,196.26

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Solution

The fourth proportional to 30,382.70, 45,576.12 and 8,196.26 is: 12,294.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,382.70 : 45,576.12 = 8,196.26 : x
  2. Step 2: Convert to fraction form
    30,382.70/45,576.12 = 8,196.26/x
  3. Step 3: Cross multiply
    30,382.70x = 45,576.12 × 8,196.26
  4. Step 4: Simplify right side
    30,382.70x = 373,553,729.31
  5. Step 5: Solve for x
    x = 373,553,729.31/30,382.70
  6. Step 6: Final answer
    x = 12,294.95

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1.5x scale

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.