Home / 82,547.44-123,821.46-20,217.94

Finding the Fourth Proportional to 82,547.44, 123,821.46 and 20,217.94

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Solution

The fourth proportional to 82,547.44, 123,821.46 and 20,217.94 is: 30,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,547.44 : 123,821.46 = 20,217.94 : x
  2. Step 2: Convert to fraction form
    82,547.44/123,821.46 = 20,217.94/x
  3. Step 3: Cross multiply
    82,547.44x = 123,821.46 × 20,217.94
  4. Step 4: Simplify right side
    82,547.44x = 2,503,414,539.44
  5. Step 5: Solve for x
    x = 2,503,414,539.44/82,547.44
  6. Step 6: Final answer
    x = 30,326.98

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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.