Home / 49,402.85-74,118.12-19,841.42

Finding the Fourth Proportional to 49,402.85, 74,118.12 and 19,841.42

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Solution

The fourth proportional to 49,402.85, 74,118.12 and 19,841.42 is: 29,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.85 : 74,118.12 = 19,841.42 : x
  2. Step 2: Convert to fraction form
    49,402.85/74,118.12 = 19,841.42/x
  3. Step 3: Cross multiply
    49,402.85x = 74,118.12 × 19,841.42
  4. Step 4: Simplify right side
    49,402.85x = 1,470,608,748.53
  5. Step 5: Solve for x
    x = 1,470,608,748.53/49,402.85
  6. Step 6: Final answer
    x = 29,767.69

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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.