Home / 41,070.28-61,614.68-12,992.04

Finding the Fourth Proportional to 41,070.28, 61,614.68 and 12,992.04

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Solution

The fourth proportional to 41,070.28, 61,614.68 and 12,992.04 is: 19,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,070.28 : 61,614.68 = 12,992.04 : x
  2. Step 2: Convert to fraction form
    41,070.28/61,614.68 = 12,992.04/x
  3. Step 3: Cross multiply
    41,070.28x = 61,614.68 × 12,992.04
  4. Step 4: Simplify right side
    41,070.28x = 800,500,387.15
  5. Step 5: Solve for x
    x = 800,500,387.15/41,070.28
  6. Step 6: Final answer
    x = 19,490.99

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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.