Home / 82,666.44-123,998.85-20,336.94

Finding the Fourth Proportional to 82,666.44, 123,998.85 and 20,336.94

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Solution

The fourth proportional to 82,666.44, 123,998.85 and 20,336.94 is: 30,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,666.44 : 123,998.85 = 20,336.94 : x
  2. Step 2: Convert to fraction form
    82,666.44/123,998.85 = 20,336.94/x
  3. Step 3: Cross multiply
    82,666.44x = 123,998.85 × 20,336.94
  4. Step 4: Simplify right side
    82,666.44x = 2,521,757,172.52
  5. Step 5: Solve for x
    x = 2,521,757,172.52/82,666.44
  6. Step 6: Final answer
    x = 30,505.21

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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.